Section D Section D Checkpoint

Problem 1

For each expression, write an equivalent expression with fewer terms.

$7x + 10y - 2x + 8y$
$(7x + 10y) - (2x + 8y)$

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Solution

$5x + 18y$ (or equivalent)
$5x + 2y$ (or equivalent)

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Sample Response

$5x + 18y$ (or equivalent)
$5x + 2y$ (or equivalent)

Problem 2

Expand the expression $\text-5(4f - 3g)$ .
Factor the expression $\text-12a + 30b - 18$ .

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Solution

$\text-20f + 15g$ (or equivalent)
$6(\text-2a + 5b - 3)$ (or equivalent)

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Sample Response

$\text-20f + 15g$ (or equivalent)
$6(\text-2a + 5b - 3)$ (or equivalent)