Exam 10: Signed Numbers

Solve each equation. - $-9=4-a$

Solve each equation. - $-6=10-x$

Use the order of operations to simplify each expression. - $4-(2-5)-(-2)^{2}-(-3)$

Solve each equation. - $4 b-6-9 b=9$

Add, subtract, multiply, or divide. - $-12 \cdot 0$

Solve each equation. - $8 z-2-4 z=10$

Solve each equation. - $5-3(x-1)=20$

Solve each application problem using the six problem-solving steps. -The perimeter of a rectangular window is 18 feet. The length is twice as long as the width. Find the dimensions of the window.

Solve each application problem using the six problem-solving steps. -Maxine worked 6 hours less than Barbara. If together, they worked a total of 64 hours, how long did each person work?

Add, subtract, multiply, or divide. - $4(-9)$

Solve each application problem using the six problem-solving steps. -Terri saved $\$ 25$ less than twice what Wil saved. If Terri saved $\$ 277$ , how much did Wil save?

Add, subtract, multiply, or divide. - $-\frac{5}{6} \div \frac{5}{9}$

Solve each equation. - $\frac{a}{5}=-7$

Solve each application problem using the six problem-solving steps. -Ron spent $\$ 8$ less than twice what Tim spent. If Ron spent $\$ 24$ , how much did Tim spend?

Solve each equation. - $\frac{z}{7}=-3$

Solve each equation. - $g-5=-13$

Find the value of $5 a-3 b$ given each set of values. -Find the value of $-2 x^{2}$ , if $x=-3$

Use the order of operations to simplify each expression. - $4-(3-5)^{2}-(-5) \cdot 2$

Find the value of $-4 x^{2}$ , if $x=-1$

Find the value of $-2 z^{2}$ , if $z=-1$