1.
Which graph shows a parabola with exactly one root?
A.
B.
A parabola cannot have exactly one root.
C.
D.
Hint
2.
Find two numbers whose sum is 1 and whose product is –72.
A.
8 and –9
B.
–8 and –9
C.
–8 and –9 or 8 and 9
D.
–8 and 9
Hint
3.
Joey is jumping into the pool from the diving board as shown. In the equation,
h
represents his horizontal distance in feet and
v
represents his vertical distance in feet. Find the horizontal distance he will travel before hitting water.
A.
2.582 ft
B.
1 ft
C.
3.082 ft
D.
6.5 ft
Hint
4.
The roots of the quadratic equation
x
2
– 6
x
– 16 are __________.
A.
6 and 16
B.
-2 and 8
C.
-6 and -16
D.
2 and –8
Hint
5.
Find two numbers whose sum is 15 and whose product is 36.
A.
5 and 10
B.
3 and 12
C.
4 and 8
D.
6 and 9
Hint