Exam 10: Signed Numbers

Solve each equation. - $6-2(a-4)=2$

The formula for the area of a square is $A=s^{2}$ . Find $A$ , if $s=14$ .

Work each of the following problems. -Graph the numbers $-5,-3 \frac{1}{2},-1,0,2 \frac{1}{3}$ on the number line.

Add, subtract, multiply, or divide. - $2.5+(-7.3)$

Work each of the following problems. -Which one of the following statements is false?

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

Add, subtract, multiply, or divide. - $-3 \cdot 0$

Add, subtract, multiply, or divide. --9+3

Solve each application problem using the six problem-solving steps. -Justin saved $\$ 36$ less than twice what Matt saved. If Justin saved $\$ 312$ , how much did Matt save?

Add, subtract, multiply, or divide. - $\frac{-96}{8}$

Solve each application problem using the six problem-solving steps. -The perimeter of a rectangular rose garden is 150 feet. The length is four times as long as the width. Find the dimensions of the garden.

Find the value of $2 c-7 d$ given each set of values. - $c=-3, d=-5$

Add, subtract, multiply, or divide. - $\frac{91}{-7}$

The formula for the volume of a pyramid is $V=\frac{1}{3} B h$ . Find $\mathrm{V}$ , if $B=20$ and $h=9$ .

Use the order of operations to simplify each expression. - $-3-(5-7)^{2}-(3-9)$

Add, subtract, multiply, or divide. - $-11(-6)$

Add, subtract, multiply, or divide. - $4-(-1)$

Solve each equation. - $-6 x=-24$

Work each of the following problems. -Graph the numbers $-4,-1 \frac{1}{2}, 0,2$

Work each of the following problems. -Graph the numbers $-4,-\frac{1}{2}, 0,1 \frac{1}{3}, 4$ on the number line.