Parabolas Quiz
1.
Which of the following is a parabola?
x
+ y - 2x +3 = 0
x
+ y
- 2x + 3 = 0
x
- 2x + 3 = 0
y
+x
- 2 x +3 =
0
2. The vertex of y = (x-2)
+ 3 is ________?
( 2 , 3 )
(2 , -3 )
( -2, 3 )
(-2, -3)
3. The focus of 4( y - 3 ) = ( x - 2 )
is__________?
( 2 , 3 )
( 2 , 4 )
( 3 , 3 )
( 3 , 4 )
4. y = -4 ( x + 2 )
- 3 opens__________?
up
down
left
right
5. 4x = 3 ( y - 2 )
+ 5 opens__________?
up
down
left
right
6. The vertex of x
+ 2x - 4y + 9 = 0 is__________?
( -1 , 2 )
( 1 , 2 )
( 1 , 3 )
( -1 , 3 )
7. The focus of x
+ 2x - 4y + 9 = 0 is________?
(-1 , 2 )
( 1 , 2 )
( 1 , 3 )
( -1 , 3 )
8. The axis of symmentry for y
- 6y + 9 -x = 0
y = 1
y = 2
y = 3
y = 4
9. The equation of the directrix of x = 3( y - 1 )
+ 9 is ________?
y = 8
y = 8
y = 8
y = 8
10. The value of " p " in y = 2( x + 3 )
- 10 is__________?
2
8