2. Greg received a 95 on his last math test. The only question that he got wrong is listed below. (a) Read through Greg's work

Question

2. Greg received a 95 on his last math test. The only question that he got wrong is listed below.
(a) Read through Greg's work and circle his mistake.
Evaluate: ²-2(x-3) when x = 3. Greg's work:
(b) Explain what Greg did wrong.
=
*²-2(x-3)
= 3²-2(3-3)
3²-2(0)
= 9-2(0)
=
=7(0)
= 0
(c) Revise Greg's work and state the correct value of the expression.

Kunduz · Accepted Answer

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