Exam 10: Signed Numbers

Find the value of $2 x-6 y$ given each set of values. - $x=3, y=-4$

Add, subtract, multiply, or divide. - $8(-3)$

Solve each application problem using the six problem-solving steps. -The perimeter of a rectangular backyard is 240 yards. The length is three times as long as the width. Find the dimensions of the backyard.

Find the value of $2 c-7 d$ given each set of values. -Find the value of $-5 y^{2}$ , if $y=-2$

Solve each equation. - $3 x-4=7 x-12$

Add, subtract, multiply, or divide. - $-9+7$

Solve each equation. - $y-5=-10$

Find the value of $2 x-6 y$ given each set of values. - $x=-5, y=-1$

Add, subtract, multiply, or divide. - $-8(-7)$

Add, subtract, multiply, or divide. - $7(-8)$

Add, subtract, multiply, or divide. - $6-(-9)$

Work each of the following problems. -Find the value of $|-10|$

Find the value of $3 p-7 r$ given each set of values. - $p=-2, r=-4$

Add, subtract, multiply, or divide. - $-3(-7)$

Add, subtract, multiply, or divide. - $\frac{72}{-8}$

The formula for the perimeter of a rectangle is $P=2 l+2 w$ Find $P$ , if $l=13$ and $w=5$ .

Solve each application problem using the six problem-solving steps. -Terri spent $\$ 7$ more than twice what Katlyn spent. If Terri spent $\$ 35$ , how much did Katlyn spend?

Add, subtract, multiply, or divide. - $-8+2$

Solve each application problem using the six problem-solving steps. -A pipe is 27 feet long. If you cut it into two pieces, one piece 5 feet longer than the other, how long will each piece be?

Work each of the following problems. -Find: a. $|-17|$ b. $|4|$