Exam 10: Signed Numbers

Work each of the following problems. -Place $<$ or $>$ in each blank to make a true statement. $0 \_\_-6 \quad-9 \_-5$

Add, subtract, multiply, or divide. - $\frac{-81}{3}$

Find the value of $5 k-3 m$ given each set of values. - $k=5, m=-2$

Solve each equation. - $5-3(a-2)=23$

Solve each application problem using the six problem-solving steps. -The perimeter of a reflecting pool plot is 40 feet. The length is three times as long as the width. Find the dimensions of the pool.

Add, subtract, multiply, or divide. - $-4+(-7)$

Solve each equation. - $\frac{q}{9}=-3$

Add, subtract, multiply, or divide. - $\frac{-84}{-7}$

Add, subtract, multiply, or divide. - $-\frac{3}{4}-\left(-\frac{5}{8}\right)$

Work each of the following problems. -Find: a. $|0|$ b. $|-7|$

Find the value of $2 f-6 g$ given each set of values. - $f=7, g=-1$

Add, subtract, multiply, or divide. - $-\frac{4}{9} \div \frac{5}{6}$

Add, subtract, multiply, or divide. --2(-8)

Solve each application problem using the six problem-solving steps. -A piece of rubber tubing is 42 feet long. If you cut it into two pieces, so that one piece is 10 feet longer than the other, how long will each piece be?

Solve each application problem using the six problem-solving steps. -A pipe is 104 centimeters long. It is cut into two pieces, with one piece 14 centimeters longer than the other. Find the length of each piece.

Add, subtract, multiply, or divide. - $-\frac{3}{4}-\left(-\frac{1}{2}\right)$

Add, subtract, multiply, or divide. - $-5(-7)$

Add, subtract, multiply, or divide. - $-7(-5)$

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

Add, subtract, multiply, or divide. - $-\frac{4}{9} \div \frac{2}{3}$