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Algebra I
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Equivalent Forms of Quadratic Expressions
Worksheet
Grade Level
Algebra I
ALG1.86 Equivalent Forms of Quadratic Expressions
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A student rewrites y = x
2
- 10x + 18 as y = (x - 5)
2
+ 7. Which correction is accurate?
A
The correct vertex form is y = (x + 5)
2
- 7.
B
The student is correct because 25 + 7 = 32.
C
The correct vertex form is y = (x - 5)
2
- 7.
D
The correct factored form is y = (x - 5)(x + 7).
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