AnswersCommon Core Algebra I 2014 - MA3109 B-CRSolving Quadratic Equations: Completing the Square

Solving Quadratic Equations: Completing the Square Answers

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1
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Determine the zeros of the function f(x) = 3x2 – 7x + 1.

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

A
–2
B
1
C
2
D
5
3

What are the zeros of the function f(x) = x + 5 – 2x2?

A
x =
Option A
B
x =
Option B
C
x =
Option C
D
x =
Option D
4

Did Trish find the correct zeros of this function? Explain.

A
Yes, those are the two real number zeros.
B
No, the two real number zeros are .
Option B
C
No, the two real number zeros are .
Option C
D
No, the function has no real number zeros.

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