1
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The radius of the circle which cuts all the three circles $x^2+y^2-4 x-4 y+3=0, x^2+y^2+4 x-4 y+3=0$ and $x^2+y^2+4 x+4 y+3=0$ orthogonally is

A

1

B

$\sqrt{3}$

C

$\sqrt{5}$

D

$\sqrt{7}$

2
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Statement $14 x^2+y^2-4 x y-30 x-50 y+40=0$ is the equation of parabola having $(2,3)$ as its focus and $x+2 y+5=0$ as its directrix.

Statement II The equation of the directrix of the parabola $x^2-4 x+16 y+52=0$ is $y+1=0$

Which of the above statements is (are) true?

A

Statement I is true, but Statement II is false

B

Statement II is true, but Statement I is false

C

Both Statement I and Statement II are true

D

Both Statement I and Statement II are false

3
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The cartesian eql tion of the parabola $x=-2+2 t^2, y=2+4 t$ is

A

$y^2-8 x-4 y+12=0$

B

$y^2-8 x-4 y-12=0$

C

$y^2+8 x-4 y-12=0$

D

$y^2-8 x+4 y-12=0$

4
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $a x^2+b y^2=15$ is the equation of the ellipse for which distance between its foci is 2 and distance between its directrices is 5 , then $a+b=$

A

10

B

8

C

16

D

12

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