AnswersFL-1200710-Mathematics for College Algebra AIntroduction to the Quadratic Formula

Introduction to the Quadratic Formula Answers

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1
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Which equation has the components of 0 = x2 – 9x – 20 inserted into the quadratic formula correctly?

A
x =
B
x =
C
x =
D
x =
2
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b =

A
–2
B
1
C
2
D
5
3

c =

A
–2
B
1
C
2
D
5
4

4. Analyze the discriminant.b2 – 4ac =

A
–39
B
33
C
39
D
41
5

The quadratic function will have .

A
2 real number zeros
B
1 real number (double) zero
C
0 real number zeros

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