A student tries to evaluate x2 + 4x + 5 for x = -3: -32 + 4(-3)

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A student tries to evaluate x2 + 4x + 5 for x = -3:
-32 + 4(-3) + 5 = -9 – 12 + 5
= -21 + 5
= -16
Describe any errors. Then evaluate the expression correctly.

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A Pathway To Introductory Statistics

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Authors: Jay Lehmann

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Question Posted: Dec 31, 2015 01:53 AM

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A student tries to evaluate x2 + 4x + 5 for x = -3: -32 + 4(-3)

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