91Ó°ÊÓ

Multiple Choice Evaluate the expression $x-y\text{when}x=12.8\text{and}y=4$.

$\begin{array}{l}F.3.2\\ G.8.8\\ H.12.4\\ I.13.2\end{array}$

Estimation Estimate the sum or difference by rounding each number to the place of its leading digit. (p. 747)

$112+193+583$.

Multiple Choice What is the value of the expression: x +|y| when x = – 3 and y = 12?

A. -15

B.-9

C. 9

D. 15

Find a low and high estimate for the product or quotient.

$62×708$.

For what integer value(s) of x is the value of the expression– 10 +|x|greater than 0? Explain your reasoning.

Evaluate the expression when $y=-14$.

$25-y$

Evaluate the expression.

$\frac{18+12}{7-2}$

Evaluate the expression when$y=−14$.

$y−10$

Plot the point in a coordinate plane. Describe the location of the point.

Tell whether the product or quotient is positive or negative.

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