1.
The graph of
y
= -4
x
2
- 1 is _____.
A.
a straight line
B.
a parabola
C.
None of these is correct.
D.
a circle
Hint
2.
Find the graph of
y
=
x
2
.
A.
B.
C.
D.
Hint
3.
Find the graph of
y
=
x
2
+ 1.
A.
B.
C.
D.
Hint
4.
Which way does the graph of
y
= –2
x
2
open?
A.
up
B.
down
C.
right
D.
left
Hint
5.
Which table shows a quadratic relationship?
A.
B.
C.
D.
Hint