1.
Use the quadratic formula to solve
x
2
+ 2
x
- 8 = 0.
A.
-4, 2
B.
-4, -2
C.
-4
D.
-2
Hint
2.
Use the quadratic formula to solve 6
x
2
-
x
- 1 = 0.
A.
B.
C.
D.
Hint
3.
Solve the equation.6
x
2
– 12
x
+ 3 = 0
A.
x
= –0.29 and
x
= –1.71
B.
x
= –0.29 and
x
= 1.71
C.
x
= 0.29 and
x
= –1.71
D.
x
= 0.29 and
x
= 1.71
Hint
4.
In the quadratic formula, what does
b
2
– 4
ac
tell you.
A.
the solution(s) in a quadratic equation
B.
the number of solutions in a quadratic equation
C.
the places where a quadratic equation crosses the
x
-axis
D.
the vertex of a quadratic equation
Hint
5.
Find the quadratic equation with 0 solutions.
A.
x
2
– 2
x
+ 5 = 0
B.
x
2
– 2
x
– 3 = 0
C.
x
2
– 12
x
+ 36 = 0
D.
x
2
+ 4
x
– 12 = 0
Hint