AnswersFL-1200710-Mathematics for College Algebra ASolving Quadratic Equations: Completing the Square

Solving Quadratic Equations: Quadratic Formula Answers

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Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply.f(x) = x2 + 6x + 8g(x) = x2 + 4x + 8h(x) = x2 – 12x + 32k(x) = x2 + 4x – 1 p(x) = 5x2 + 5x + 4t(x) = x2 – 2x – 15

A
f(x) = x2 + 6x + 8
B
g(x) = x2 + 4x + 8
C
h(x) = x2 – 12x + 32
D
k(x) = x2 + 4x – 1
E
p(x) = 5x2 + 5x + 4
F
t(x) = x2 – 2x – 15
4

–3–11 5

A
–3
B
–1
C
1 5
5

012

A
0
B
1
C
2

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