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第43練直線與雙曲線(精練)刷真題明導(dǎo)向刷真題明導(dǎo)向一、填空題1.已知直線l與橢圓SKIPIF1<0在第一象限交于A,B兩點,l與x軸,y軸分別交于M,N兩點,且SKIPIF1<0,則l的方程為.二、解答題2.已知雙曲線C的中心為坐標(biāo)原點,左焦點為SKIPIF1<0,離心率為SKIPIF1<0.(1)求C的方程;(2)記C的左、右頂點分別為SKIPIF1<0,SKIPIF1<0,過點SKIPIF1<0的直線與C的左支交于M,N兩點,M在第二象限,直線SKIPIF1<0與SKIPIF1<0交于點P.證明:點SKIPIF1<0在定直線上.3.已知雙曲線SKIPIF1<0的右焦點為SKIPIF1<0,漸近線方程為SKIPIF1<0.(1)求C的方程;(2)過F的直線與C的兩條漸近線分別交于A,B兩點,點SKIPIF1<0在C上,且SKIPIF1<0.過P且斜率為SKIPIF1<0的直線與過Q且斜率為SKIPIF1<0的直線交于點M.從下面①②③中選取兩個作為條件,證明另外一個成立:①M(fèi)在SKIPIF1<0上;②SKIPIF1<0;③SKIPIF1<0.注:若選擇不同的組合分別解答,則按第一個解答計分.【A組】一、單選題1.直線SKIPIF1<0與雙曲線SKIPIF1<0有兩個交點為SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0(
)A.2 B.SKIPIF1<0 C.4 D.SKIPIF1<02.直線SKIPIF1<0與雙曲線SKIPIF1<0交點的個數(shù)是(
)A.0 B.1 C.2 D.43.雙曲線SKIPIF1<0的兩焦點為F1,F(xiàn)2,P點在雙曲線上,且滿足SKIPIF1<0,則△PF1F2的面積為()A.2 B.1 C.4 D.34.過雙曲線SKIPIF1<0左?右焦點SKIPIF1<0分別作傾斜角為SKIPIF1<0的直線與雙曲線SKIPIF1<0相交于SKIPIF1<0軸上方SKIPIF1<0兩點,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.已知雙曲線SKIPIF1<0的左右焦點分別是SKIPIF1<0、SKIPIF1<0,過SKIPIF1<0的直線SKIPIF1<0與雙曲線相交于SKIPIF1<0、SKIPIF1<0兩點,則滿足SKIPIF1<0的直線SKIPIF1<0有A.SKIPIF1<0條 B.SKIPIF1<0條 C.SKIPIF1<0條 D.SKIPIF1<0條6.已知直線SKIPIF1<0與雙曲線SKIPIF1<0沒有公共點,則SKIPIF1<0的取值范圍是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.雙曲線的標(biāo)準(zhǔn)方程為SKIPIF1<0,則下列說法正確的是(
)A.該曲線兩頂點的距離為SKIPIF1<0B.該曲線與雙曲線SKIPIF1<0有相同的漸近線C.該曲線上的點到右焦點距離的最小值為1D.該曲線與直線SKIPIF1<0有兩個公共點8.若雙曲線SKIPIF1<0的一個頂點為A,過點A的直線SKIPIF1<0與雙曲線只有一個公共點,則該雙曲線的焦距為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.過點SKIPIF1<0作直線l與雙曲線SKIPIF1<0交于點A,B,若P恰為AB的中點,則直線l的條數(shù)為(
)A.0 B.1 C.2 D.不能確定10.已知直線SKIPIF1<0過雙曲線SKIPIF1<0的左焦點SKIPIF1<0,且與C的漸近線平行,則l的傾斜角為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.設(shè)A,B為雙曲線SKIPIF1<0右支上的兩點,若線段AB的中點為SKIPIF1<0,則直線AB的方程是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.直線SKIPIF1<0與雙曲線SKIPIF1<0的左、右兩支各有一個交點,則SKIPIF1<0的取值范圍為()A.SKIPIF1<0或SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<013.過雙曲線SKIPIF1<0:SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的焦點且斜率不為0的直線交SKIPIF1<0于A,SKIPIF1<0兩點,SKIPIF1<0為SKIPIF1<0中點,若SKIPIF1<0,則SKIPIF1<0的離心率為(
)A.SKIPIF1<0 B.2 C.SKIPIF1<0 D.SKIPIF1<0二、多選題14.若直線SKIPIF1<0與雙曲線SKIPIF1<0有兩個交點,則SKIPIF1<0的值可以是(
)A.1 B.2 C.3 D.415.直線SKIPIF1<0與雙曲線SKIPIF1<0的左、右兩支各有一個交點,則SKIPIF1<0的可能取值為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<016.已知直線SKIPIF1<0經(jīng)過雙曲線SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的左焦點,且與C交于A,B兩點,若存在兩條直線,使得SKIPIF1<0的最小值為4,則下列四個點中,C經(jīng)過的點為(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0三、填空題17.已知直線SKIPIF1<0與雙曲線SKIPIF1<0有且只有一個公共點,則C的離心率等于.18.直線SKIPIF1<0與雙曲線SKIPIF1<0有且只有一個公共點,但直線與雙曲線不相切,則實數(shù)SKIPIF1<0的值是.19.雙曲線SKIPIF1<0:SKIPIF1<0的離心率為2,其漸近線與圓SKIPIF1<0相切,則該雙曲線的方程為.20.雙曲線SKIPIF1<0的左、右焦點分別為SKIPIF1<0,已知焦距為8,離心率為2,過右焦點SKIPIF1<0作垂直于SKIPIF1<0軸的直線SKIPIF1<0與雙曲線SKIPIF1<0的右支交于SKIPIF1<0兩點,則SKIPIF1<0.21.過雙曲線SKIPIF1<0的右焦點的直線被雙曲線所截得的弦長為SKIPIF1<0,這樣的直線有條.22.設(shè)直線l:SKIPIF1<0與雙曲線C:SKIPIF1<0相交于不同的兩點A,B,則k的取值范圍為.23.雙曲線SKIPIF1<0的左?右頂點分別為A,B,右支上有一點M,且SKIPIF1<0,則SKIPIF1<0的面積為.24.已知雙曲線SKIPIF1<0,過SKIPIF1<0作直線SKIPIF1<0與雙曲線SKIPIF1<0交于A、SKIPIF1<0兩點,且SKIPIF1<0為弦SKIPIF1<0的中點,則直線SKIPIF1<0的方程為.25.在平面直角坐標(biāo)系SKIPIF1<0中,雙曲線SKIPIF1<0:SKIPIF1<0,一條傾斜角為SKIPIF1<0的直線經(jīng)過SKIPIF1<0的一個頂點及SKIPIF1<0上另外一點SKIPIF1<0,則SKIPIF1<0的離心率為.26.已知雙曲線SKIPIF1<0的右焦點為F,過點F且平行于雙曲線的一條漸近線的直線與雙曲線交于點P,M在直線PF上,且滿足SKIPIF1<0,則SKIPIF1<0.27.若點SKIPIF1<0和點SKIPIF1<0分別為雙曲線SKIPIF1<0的中心和左焦點,點SKIPIF1<0為雙曲線右支上的任意一點,則的取值范圍為28.已知斜率為SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0兩點,若點SKIPIF1<0是線段SKIPIF1<0的中點,則SKIPIF1<0的離心率等于.29.已知直線SKIPIF1<0與雙曲線SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的漸近線交于SKIPIF1<0,SKIPIF1<0兩點,且過原點和線段SKIPIF1<0中點的直線的斜率為SKIPIF1<0,則SKIPIF1<0的值為.四、解答題30.已知雙曲線SKIPIF1<0的離心率為SKIPIF1<0,且其頂點到其漸近線的距離為SKIPIF1<0.(1)求雙曲線的標(biāo)準(zhǔn)方程;(2)直線SKIPIF1<0:SKIPIF1<0與雙曲線交于SKIPIF1<0,SKIPIF1<0兩點,若SKIPIF1<0,求SKIPIF1<0的值.31.已知雙曲線SKIPIF1<0與雙曲線SKIPIF1<0有相同的漸近線,且點SKIPIF1<0在SKIPIF1<0上.(1)求SKIPIF1<0的標(biāo)準(zhǔn)方程;(2)直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0兩點,求線段SKIPIF1<0的中點坐標(biāo).32.已知雙曲線的中心在原點,焦點SKIPIF1<0,SKIPIF1<0在坐標(biāo)軸上,離心率為SKIPIF1<0,且過點SKIPIF1<0(1)求雙曲線SKIPIF1<0的方程;(2)設(shè)雙曲線兩條漸近線分別為SKIPIF1<0,SKIPIF1<0已知直線SKIPIF1<0交SKIPIF1<0,SKIPIF1<0于SKIPIF1<0兩點,若直線SKIPIF1<0與軌跡SKIPIF1<0有且只有一個公共點,求SKIPIF1<0的面積33.已知雙曲線SKIPIF1<0的離心率為SKIPIF1<0,右準(zhǔn)線方程為SKIPIF1<0(Ⅰ)求雙曲線SKIPIF1<0的方程;(Ⅱ)已知直線SKIPIF1<0與雙曲線C交于不同的兩點A,B,且線段AB的中點在圓SKIPIF1<0上,求m的值.34.已知雙曲線SKIPIF1<0的其中一個焦點為SKIPIF1<0,一條漸近線方程為SKIPIF1<0(1)求雙曲線SKIPIF1<0的標(biāo)準(zhǔn)方程;(2)已知傾斜角為SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0兩點,且線段SKIPIF1<0的中點的縱坐標(biāo)為4,求直線SKIPIF1<0的方程.35.已知雙曲線SKIPIF1<0,焦點為SKIPIF1<0,其中一條漸近線的傾斜角為SKIPIF1<0,點SKIPIF1<0在雙曲線上,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0的標(biāo)準(zhǔn)方程;(2)若直線SKIPIF1<0交SKIPIF1<0于SKIPIF1<0兩點,若SKIPIF1<0的面積為SKIPIF1<0,求正實數(shù)SKIPIF1<0的值.36.已知等軸雙曲線SKIPIF1<0的右焦點為SKIPIF1<0,SKIPIF1<0為坐標(biāo)原點,過SKIPIF1<0作一條漸近線的垂線SKIPIF1<0且垂足為SKIPIF1<0,SKIPIF1<0(1)求等軸雙曲線SKIPIF1<0的方程(2)假設(shè)過點SKIPIF1<0且方向向量為SKIPIF1<0的直線SKIPIF1<0交雙曲線SKIPIF1<0于SKIPIF1<0兩點,求SKIPIF1<0的值37.已知雙曲線的中心在原點,焦點在SKIPIF1<0軸上,離心率SKIPIF1<0,焦距為SKIPIF1<0.(1)求該雙曲線方程.(2)是否定存在過點SKIPIF1<0的直線SKIPIF1<0與該雙曲線交于SKIPIF1<0、SKIPIF1<0兩點,且點SKIPIF1<0是線段SKIPIF1<0的中點若存在,請求出直線SKIPIF1<0的方程,若不存在,說明理由.38.已知雙曲線SKIPIF1<0的焦點SKIPIF1<0到漸近線的距離為SKIPIF1<0,右頂點為SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)已知過點SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0只有一個公共點,求直線SKIPIF1<0的方程.39.已知雙曲線SKIPIF1<0的方程為SKIPIF1<0,離心率為2,右頂點為SKIPIF1<0.(1)求雙曲線SKIPIF1<0的標(biāo)準(zhǔn)方程;(2)過SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0的一支交于SKIPIF1<0、SKIPIF1<0兩點,求SKIPIF1<0的取值范圍.40.已知雙曲線SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)中,離心率SKIPIF1<0,實軸長為4(1)求雙曲線的標(biāo)準(zhǔn)方程;(2)已知直線SKIPIF1<0:SKIPIF1<0與雙曲線交于SKIPIF1<0,SKIPIF1<0兩點,且在雙曲線存在點SKIPIF1<0,使得SKIPIF1<0,求SKIPIF1<0的值.41.已知雙曲線的中心在原點,焦點SKIPIF1<0在坐標(biāo)軸上,離心率為SKIPIF1<0且過點SKIPIF1<0(1)求雙曲線方程;(2)若過SKIPIF1<0斜率SKIPIF1<0的直線與該雙曲線相交于M,N兩點,且雙曲線與SKIPIF1<0對應(yīng)的頂點為T.試探討直線MT與直線NT的斜率之積是否為定值.若是定值,請求出該值;若不是定值,請說明理由.42.已知雙曲線SKIPIF1<0的一條漸近線方程為SKIPIF1<0,焦距為SKIPIF1<0.(1)求雙曲線C的標(biāo)準(zhǔn)方程;(2)若O為坐標(biāo)原點,過SKIPIF1<0的直線l交雙曲線C于A,B兩點,且SKIPIF1<0的面積為SKIPIF1<0,求直線l的方程.43.已知雙曲線SKIPIF1<0與SKIPIF1<0有相同的焦點,且經(jīng)過點SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)若直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0兩點,且SKIPIF1<0的中點坐標(biāo)為SKIPIF1<0,求直線SKIPIF1<0的斜率.【B組】一、單選題1.過雙曲線SKIPIF1<0的右焦點作一條斜率為SKIPIF1<0的直線交雙曲線于SKIPIF1<0兩點,則SKIPIF1<0SKIPIF1<0SKIPIF1<0A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.過雙曲線SKIPIF1<0的左焦點作直線SKIPIF1<0,與雙曲線交于SKIPIF1<0兩點,若SKIPIF1<0,則這樣的直線SKIPIF1<0有(
)A.1條 B.2條 C.3條 D.4條3.已知雙曲線SKIPIF1<0與橢圓SKIPIF1<0共焦點,且雙曲線與直線SKIPIF1<0相切,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.14.直線l交雙曲線SKIPIF1<0于A,B兩點,且SKIPIF1<0為AB的中點,則l的斜率為(
)A.4 B.3 C.2 D.15.已知O為坐標(biāo)原點,A,B分別是雙曲線SKIPIF1<0的左、右頂點,M是雙曲線C上不同于A,B的動點,直線AM,BM分別與y軸交于點P,Q,則SKIPIF1<0(
)A.16 B.9C.4 D.36.已知雙曲線SKIPIF1<0:SKIPIF1<0,直線SKIPIF1<0經(jīng)過點SKIPIF1<0,若直線SKIPIF1<0與雙曲線SKIPIF1<0的右支只有一個交點,則直線SKIPIF1<0的斜率的取值范圍是(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.已知雙曲線SKIPIF1<0與直線SKIPIF1<0有唯一的公共點SKIPIF1<0,過點SKIPIF1<0且與SKIPIF1<0垂直的直線分別交SKIPIF1<0軸、SKIPIF1<0軸于SKIPIF1<0兩點.當(dāng)點SKIPIF1<0運(yùn)動時,點SKIPIF1<0的軌跡方程是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<08.已知點SKIPIF1<0為雙曲線SKIPIF1<0SKIPIF1<0的虛軸的上頂點,SKIPIF1<0為雙曲線的右焦點,存在斜率為SKIPIF1<0的直線交雙曲線于點SKIPIF1<0兩點,且SKIPIF1<0的重心為點SKIPIF1<0,則雙曲線SKIPIF1<0的離心率為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.2SKIPIF1<0 D.SKIPIF1<09.雙曲線SKIPIF1<0的被點SKIPIF1<0平分的弦所在的直線方程為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.不存在10.已知雙曲線H的兩條漸近線互相垂直,過H右焦點F且斜率為3的直線與H交于A,B兩點,與H的漸近線交于C,D兩點.若SKIPIF1<0,則SKIPIF1<0(
)A.2SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.3SKIPIF1<011.已知點SKIPIF1<0,SKIPIF1<0在雙曲線SKIPIF1<0上,線段SKIPIF1<0的中點SKIPIF1<0,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.已知直線SKIPIF1<0與雙曲線SKIPIF1<0的兩條漸近線分別交于點SKIPIF1<0,SKIPIF1<0(不重合),SKIPIF1<0的垂直平分線過點SKIPIF1<0,則雙曲線SKIPIF1<0的離心率為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<013.已知雙曲線C:SKIPIF1<0的焦點到漸近線的距離為SKIPIF1<0,直線l與C相交于A,B兩點,若線段SKIPIF1<0的中點為SKIPIF1<0,則直線l的斜率為(
)A.SKIPIF1<0 B.1 C.SKIPIF1<0 D.214.已知雙曲線SKIPIF1<0,過點SKIPIF1<0的直線SKIPIF1<0與該雙曲線相交于SKIPIF1<0兩點,若SKIPIF1<0是線段SKIPIF1<0的中點,則直線SKIPIF1<0的方程為(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.該直線不存在15.已知斜率為SKIPIF1<0的直線與雙曲線SKIPIF1<0相交于SKIPIF1<0、SKIPIF1<0兩點,SKIPIF1<0為坐標(biāo)原點,SKIPIF1<0的中點為SKIPIF1<0,若直線SKIPIF1<0的斜率為SKIPIF1<0,則雙曲線SKIPIF1<0的離心率為(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<016.若雙曲線SKIPIF1<0與直線SKIPIF1<0交于SKIPIF1<0、SKIPIF1<0兩點,線段SKIPIF1<0中點的橫坐標(biāo)為SKIPIF1<0,則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<017.已知直線l和雙曲線SKIPIF1<0相交于A,B兩點,線段AB的中點為M,設(shè)直線l的斜率為SKIPIF1<0(SKIPIF1<0),直線OM的斜率為SKIPIF1<0(O為坐標(biāo)原點),則SKIPIF1<0(
)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0二、多選題18.過雙曲線C:SKIPIF1<0的左焦點SKIPIF1<0作直線l與雙曲線C的右支交于點A,則(
)A.雙曲線C的漸近線方程為SKIPIF1<0B.點SKIPIF1<0到雙曲線C的漸近線的距離為4C.直線l的斜率k取值范圍是SKIPIF1<0D.若SKIPIF1<0的中點在y軸上,則直線l的斜率SKIPIF1<019.已知SKIPIF1<0為雙曲線SKIPIF1<0的右焦點,直線SKIPIF1<0與該雙曲線相交于SKIPIF1<0兩點(其中SKIPIF1<0在第一象限),連接SKIPIF1<0,下列說法中正確的是(
)A.SKIPIF1<0的取值范圍是SKIPIF1<0B.若SKIPIF1<0,則SKIPIF1<0C.若SKIPIF1<0,則點SKIPIF1<0的縱坐標(biāo)為SKIPIF1<0D.若雙曲線的右支上存在點SKIPIF1<0,滿足SKIPIF1<0三點共線,則SKIPIF1<0的取值范圍是SKIPIF1<020.已知雙曲線SKIPIF1<0:SKIPIF1<0的左,右焦點分別為SKIPIF1<0,SKIPIF1<0,過點SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0的左支交于點SKIPIF1<0,與雙曲線SKIPIF1<0的其中一條漸近線在第一象限交于點SKIPIF1<0,且SKIPIF1<0(SKIPIF1<0是坐標(biāo)原點),下列結(jié)論正確的有(
)A.SKIPIF1<0B.若SKIPIF1<0,則雙曲線SKIPIF1<0的離心率為SKIPIF1<0C.SKIPIF1<0D.SKIPIF1<021.直線l交雙曲線SKIPIF1<0于A、B兩點,且SKIPIF1<0為AB的中點,則l的斜率不可能為(
)A.4 B.3 C.2 D.122.已知雙曲線SKIPIF1<0的右焦點為SKIPIF1<0,過SKIPIF1<0的動直線SKIPIF1<0與SKIPIF1<0相交于SKIPIF1<0,SKIPIF1<0兩點,則(
)A.曲線SKIPIF1<0與橢圓SKIPIF1<0有公共焦點B.曲線SKIPIF1<0的離心率為SKIPIF1<0,漸近線方程為SKIPIF1<0.C.SKIPIF1<0的最小值為1D.滿足SKIPIF1<0的直線SKIPIF1<0有且僅有4條23.已知雙曲線SKIPIF1<0,過其右焦點SKIPIF1<0的直線SKIPIF1<0與雙曲線交于兩點SKIPIF1<0、SKIPIF1<0,則(
)A.若SKIPIF1<0、SKIPIF1<0同在雙曲線的右支,則SKIPIF1<0的斜率大于SKIPIF1<0B.若SKIPIF1<0在雙曲線的右支,則SKIPIF1<0最短長度為SKIPIF1<0C.SKIPIF1<0的最短長度為SKIPIF1<0D.滿足SKIPIF1<0的直線有4條24.已知雙曲線SKIPIF1<0,點SKIPIF1<0,SKIPIF1<0在SKIPIF1<0上,SKIPIF1<0的中點為SKIPIF1<0,則(
)A.SKIPIF1<0的漸近線方程為SKIPIF1<0 B.SKIPIF1<0的右焦點為SKIPIF1<0C.SKIPIF1<0與圓SKIPIF1<0沒有交點 D.直線SKIPIF1<0的方程為SKIPIF1<025.過M(1,1)作斜率為2的直線與雙曲線SKIPIF1<0相交于A、B兩點,若M是AB的中點,則下列表述正確的是(
)A.b<a B.漸近線方程為y=±2xC.離心率SKIPIF1<0 D.b>a三、填空題26.設(shè)SKIPIF1<0為雙曲線SKIPIF1<0的兩個焦點,已知點SKIPIF1<0在此雙曲線上,且SKIPIF1<0,若此雙曲線的離心率等于SKIPIF1<0,則點SKIPIF1<0到SKIPIF1<0軸的距離等于.27.已知雙曲線SKIPIF1<0:SKIPIF1<0的右焦點為F,P為SKIPIF1<0右支上一點,SKIPIF1<0與x軸切于點F與y軸交于點A,B,SKIPIF1<0,則SKIPIF1<0的離心率為.28.已知F1為雙曲線SKIPIF1<0的左焦點,過點F1的直線l交雙曲線C的左支于A,B兩點,若SKIPIF1<0,則直線l的斜率為.29.已知雙曲線SKIPIF1<0,過點SKIPIF1<0作一直線交雙曲線于SKIPIF1<0、SKIPIF1<0兩點,并使SKIPIF1<0為SKIPIF1<0的中點,則直線SKIPIF1<0的斜率為.30.雙曲線SKIPIF1<0的右焦點為SKIPIF1<0為雙曲線SKIPIF1<0上的一點,且位于第一象限,直線SKIPIF1<0分別交于曲線SKIPIF1<0于SKIPIF1<0兩點,若SKIPIF1<0為正三角形,則直線SKIPIF1<0的斜率等于.31.已知雙曲線SKIPIF1<0的左焦點為F,過F且斜率為SKIPIF1<0的直線交兩漸近線于x軸上方的不同兩點C,D,且SKIPIF1<0,則SKIPIF1<0.32.若過點P(0,1)作直線l,使l與雙曲線SKIPIF1<0有且僅有一個公共點,則直線l的方程為.33.已知雙曲線SKIPIF1<0的離心率為SKIPIF1<0,過左焦點SKIPIF1<0且斜率為SKIPIF1<0的直線交SKIPIF1<0的兩支于SKIPIF1<0兩點.若SKIPIF1<0,則SKIPIF1<0.34.已知雙曲線SKIPIF1<0:SKIPIF1<0的左?右焦點分別為SKIPIF1<0,SKIPIF1<0,一條漸近線為SKIPIF1<0,過點SKIPIF1<0且與SKIPIF1<0平行的直線交雙曲線C于點M,若SKIPIF1<0,則漸近線SKIPIF1<0的方程為.35.已知雙曲線C:SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的焦距是橢圓SKIPIF1<0焦距的兩倍,且它們的離心率互為倒數(shù),過雙曲線C的右焦點F且傾斜角為120°的直線l交C于A,B兩點,則SKIPIF1<0.36.過雙曲線SKIPIF1<0:SKIPIF1<0的右焦點SKIPIF1<0作圓SKIPIF1<0:SKIPIF1<0的切線,此切線與SKIPIF1<0的右支交于SKIPIF1<0,SKIPIF1<0兩點,則SKIPIF1<0.37.已知雙曲線SKIPIF1<0:SKIPIF1<0,若直線SKIPIF1<0的傾斜角為60°,且與雙曲線C的右支交于M,N兩點,與x軸交于點P,若SKIPIF1<0,則點P的坐標(biāo)為.38.若雙曲線SKIPIF1<0上存在兩個點關(guān)于直線SKIPIF1<0對稱,則實數(shù)SKIPIF1<0的取值范圍為.39.已知雙曲線中心在原點且一個焦點為SKIPIF1<0,直線SKIPIF1<0與其相交于SKIPIF1<0,SKIPIF1<0兩點,SKIPIF1<0中點橫坐標(biāo)為SKIPIF1<0,則此雙曲線的方程是.40.已知雙曲線SKIPIF1<0上存在兩點A,B關(guān)于直線SKIPIF1<0對稱,且線段SKIPIF1<0的中點在直線SKIPIF1<0上,則雙曲線的離心率為.41.過點SKIPIF1<0作直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0,SKIPIF1<0兩點,若點SKIPIF1<0恰為線段SKIPIF1<0的中點,則實數(shù)SKIPIF1<0的取值范圍是.四、解答題42.已知雙曲線C的漸近線為SKIPIF1<0,且過點SKIPIF1<0.(1)求雙曲線C的方程;(2)若直線SKIPIF1<0與雙曲線C相交于A,B兩點,O為坐標(biāo)原點,若OA與OB垂直,求a的值以及弦長SKIPIF1<0.43.已知雙曲線SKIPIF1<0.(1)若離心率為SKIPIF1<0,求b的值,SKIPIF1<0的頂點坐標(biāo)、漸近線方程;(2)若SKIPIF1<0,是否存在被點SKIPIF1<0平分的弦?如果存在,求弦所在的直線方程;如不存在,請說明理由.44.已知雙曲線SKIPIF1<0的離心率為2,右焦點SKIPIF1<0到一條漸近線的距離為SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)已知點SKIPIF1<0,過點SKIPIF1<0作直線SKIPIF1<0與雙曲線SKIPIF1<0相交于SKIPIF1<0兩點,若SKIPIF1<0,求直線SKIPIF1<0的方程.45.已知焦點在x軸上的雙曲線C的漸近線方程為SKIPIF1<0,(1)求雙曲線C的離心率e(2)若直線SKIPIF1<0與C相交于不同的兩點A,B,且SKIPIF1<0,求雙曲線C的方程.46.已知雙曲線SKIPIF1<0的右焦點為SKIPIF1<0,且C的一條漸近線經(jīng)過點SKIPIF1<0.(1)求C的標(biāo)準(zhǔn)方程;(2)是否存在過點SKIPIF1<0的直線l與C交于不同的A,B兩點,且線段AB的中點為P.若存在,求出直線l的方程;若不存在,請說明理由.47.雙曲線C的離心率為SKIPIF1<0,且與橢圓SKIPIF1<0有公共焦點.(1)求雙曲線C的方程.(2)雙曲線C上是否存在兩點A,B關(guān)于點(4,1)對稱?若存在,求出直線AB的方程;若不存在,說明理由.48.已知雙曲線SKIPIF1<0,過點SKIPIF1<0,離心率為SKIPIF1<0.(1)求雙曲線C的標(biāo)準(zhǔn)方程;(2)已知點SKIPIF1<0,過點N的直線交雙曲線C于A、B兩點,且SKIPIF1<0求直線AB的方程49.已知雙曲線SKIPIF1<0截直線SKIPIF1<0所得的弦SKIPIF1<0的長為SKIPIF1<0.(1)求SKIPIF1<0的值;(2)若SKIPIF1<0軸上有一點SKIPIF1<0,使SKIPIF1<0的面積為SKIPIF1<0,求點SKIPIF1<0的坐標(biāo).50.已知雙曲線SKIPIF1<0的一條漸近線方程為SKIPIF1<0,且雙曲線經(jīng)過點SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)過點SKIPIF1<0且斜率不為0的直線與SKIPIF1<0交于SKIPIF1<0兩點(與點SKIPIF1<0不重合),直線SKIPIF1<0分別與直線SKIPIF1<0交于點SKIPIF1<0,求SKIPIF1<0的值.51.已知雙曲線SKIPIF1<0:SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的左頂點為SKIPIF1<0,SKIPIF1<0到SKIPIF1<0的一條漸近線的距離為SKIPIF1<0.(1)求SKIPIF1<0的方程;(2)過點SKIPIF1<0的直線SKIPIF1<0與SKIPIF1<0交于SKIPIF1<0,SKIPIF1<0兩點,求SKIPIF1<0的值.52.已知雙曲線C:SKIPIF1<0的右焦點為F,過F的直線l與雙曲線交于M,N兩點,當(dāng)SKIPIF1<0軸時,SKIPIF1<0.(1)求雙曲線C的離心率e;(2)當(dāng)l傾斜角為SKIPIF1<0時,線段MN垂直平分線交x軸于P,求SKIPIF1<0的值.53.已知雙曲線SKIPIF1<0的左,右頂點分別為A,B,過點SKIPIF1<0且不與x軸重合的動直線交雙曲線C于P,Q兩點,當(dāng)直線PQ與x軸垂直時,SKIPIF1<0.(1)求雙曲線C的標(biāo)準(zhǔn)方程;(2)設(shè)直線AP,AQ和直線SKIPIF1<0分別交于點M,N,若SKIPIF1<0恒成立,求t的值.54.已知雙曲線C的方程為SKIPIF1<0.(1)直線SKIPIF1<0截雙曲線C所得的弦長為SKIPIF1<0,求實數(shù)m的值;(2)過點SKIPIF1<0作直線交雙曲線C于P、Q兩點,求線段SKIPIF1<0的中點M的軌跡方程.55.已知點SKIPIF1<0,SKIPIF1<0依次為雙曲線SKIPIF1<0的左、右焦點,且SKIPIF1<0,令SKIPIF1<0.(1)設(shè)此雙曲線經(jīng)過第一、三象限的漸近線為SKIPIF1<0,若直線SKIPIF1<0與直線SKIPIF1<0垂直,求雙曲線的離心率;(2)若SKIPIF1<0,以此雙曲線的焦點為頂點,以此雙曲線的頂點為焦點得到橢圓C,法向量為SKIPIF1<0的直線SKIPIF1<0與橢圓C交于兩點M,N,且SKIPIF1<0,求直線SKIPIF1<0的一般式方程.56.已知雙曲線SKIPIF1<0的實軸長為6,左右焦點分別為SKIPIF1<0,SKIPIF1<0,點SKIPIF1<0在雙曲線SKIPIF1<0上,SKIPIF1<0軸,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0及其漸近線的方程;(2)如圖,若過點SKIPIF1<0斜率為SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0及其兩條漸近線從左至右依次交于SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0四點,且SKIPIF1<0,求SKIPIF1<0.57.已知雙曲線SKIPIF1<0:SKIPIF1<0(SKIPIF1<0,SKIPIF1<0)的左、右焦點為SKIPIF1<0,SKIPIF1<0,過點SKIPIF1<0作雙曲線一條漸近線的垂線,垂足為SKIPIF1<0,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0的標(biāo)準(zhǔn)方程;(2)設(shè)雙曲線SKIPIF1<0的左頂點為SKIPIF1<0,過點SKIPIF1<0的直線SKIPIF1<0與雙曲線SKIPIF1<0交于SKIPIF1<0,SKIPIF1<0兩點,連接SKIPIF1<0,SKIPIF1<0分別交于SKIPIF1<0軸于點SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,求直線SKIPIF1<0的方程及SKIPIF1<0的面積.58.已知雙曲線C的焦點在y軸,對稱中心O為坐標(biāo)原點,焦距為SKIPIF1<0,且過SKIPIF1<0(1)求C的方程(2)若斜率為2的直線l與C交于P,Q兩點,且SKIPIF1<0,求|PQ|.59.已知雙曲線SKIPIF1<0:SKIPIF1<0經(jīng)過點SKIPIF1<0,焦點SKIPIF1<0到漸近線的距離為SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)若直線SKIPIF1<0與雙曲線SKIPIF1<0相交于SKIPIF1<0,SKIPIF1<0兩點,SKIPIF1<0是弦SKIPIF1<0的中點,求SKIPIF1<0的長度.60.設(shè)P是雙曲線SKIPIF1<0右支上任意一點,O為坐標(biāo)原點.(1)過點P分別作兩條漸近線的垂線,垂足分別是E、F,求SKIPIF1<0的值;(2)過點P的直線與兩條漸近線分別交于A、B兩點,且滿足SKIPIF1<0,求SKIPIF1<0的面積.61.已知雙曲線SKIPIF1<0的離心率為2,F(xiàn)為雙曲線C的右焦點,M為雙曲線C上的任一點,且點M到雙曲線C的兩條漸近線距離的乘積為SKIPIF1<0,(1)求雙曲線C的方程;(2)設(shè)過點F且與坐標(biāo)軸不垂直的直線l與雙曲線C相交于點P,Q,線段PQ的垂直平分線與x軸交于點B,求SKIPIF1<0的值.62.雙曲線SKIPIF1<0的漸近線方程為SKIPIF1<0,一個焦點到該漸近線的距離為2.(1)求C的方程;(2)是否存在直線l,經(jīng)過點SKIPIF1<0且與雙曲線C于A,B兩點,M為線段AB的中點,若存在,求l的方程:若不存在,說明理由.63.已知雙曲線SKIPIF1<0:SKIPIF1<0的左、右兩焦點分別為SKIPIF1<0、SKIPIF1<0,SKIPIF1<0為SKIPIF1<0上一點,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)是否存在直線SKIPIF1<0,使SKIPIF1<0被SKIPIF1<0所截得的弦SKIPIF1<0的中點坐標(biāo)是SKIPIF1<0?若存在,求出直線SKIPIF1<0的方程,若不存在,請說明理由.64.已知點SKIPIF1<0、SKIPIF1<0為雙曲線SKIPIF1<0的左、右焦點,過SKIPIF1<0作垂直于SKIPIF1<0軸的直線,在SKIPIF1<0軸的上方交雙曲線SKIPIF1<0于點SKIPIF1<0,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)若直線SKIPIF1<0過點SKIPIF1<0且與雙曲線SKIPIF1<0交于A、SKIPIF1<0兩點,若A、SKIPIF1<0中點的橫坐標(biāo)為1,求直線SKIPIF1<0的方程.65.已知雙曲線SKIPIF1<0過點SKIPIF1<0,焦距為SKIPIF1<0,SKIPIF1<0.(1)求雙曲線C的方程;(2)是否存在過點SKIPIF1<0的直線SKIPIF1<0與雙曲線C交于M,N兩點,使△SKIPIF1<0構(gòu)成以SKIPIF1<0為頂角的等腰三角形?若存在,求出所有直線l的方程;若不存在,請說明理由.66.已知點SKIPIF1<0、SKIPIF1<0,為雙曲線SKIPIF1<0的左、右焦點,過SKIPIF1<0作垂直于SKIPIF1<0軸的直線,在SKIPIF1<0軸的上方交雙曲線SKIPIF1<0于點SKIPIF1<0,且SKIPIF1<0.(1)求雙曲線SKIPIF1<0的方程;(2)若直線SKIPIF1<0過點(0,1)且與雙曲線SKIPIF1<0交于SKIPIF1<0、SKIPIF1<0兩點,若SKIPIF1<0、SKIPIF1<0中點的橫坐標(biāo)為1,求直線SKIPIF1<0的方程;(3)過雙曲線SKIPIF1<0上任意一點SKIPIF
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