Exam 10: Signed Numbers

Find the value of $5 a-3 b$ given each set of values. - $a=4, b=-2$

Add, subtract, multiply, or divide. - $5.7+(-8.2)$

Solve each application problem using the six problem-solving steps. -Ted worked 6 hours less than Roger. If together, they worked a total of 48 hours, how long did each person work?

Solve each equation. - $4 y-3=9 y-8$

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

Add, subtract, multiply, or divide. - $9(-8)$

Add, subtract, multiply, or divide. -4-9

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

Work each of the following problems. -Place $<$ or $>$ in each blank to make a true statement. $-2 \_-6 \quad-1 \_0$

Use the order of operations to simplify each expression. - $-3-(2-7)+(3-4)^{2}$

Use the order of operations to simplify each expression. - $3-6 \cdot(-2)-(4-8)$

Add, subtract, multiply, or divide. - $5-9$

Find the value of $5 k-3 m$ given each set of values. - $k=-2, m=-6$

Solve each equation. - $2 a-7-5 a=8$

Use the order of operations to simplify each expression. - $(2-4)^{2}-(-3) \cdot 5+(-8)$

Find the value of $3 w-7 y$ given each set of values. - $w=-3, y=-4$

Add, subtract, multiply, or divide. - $0 \div(-9)$

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

Solve each application problem using the six problem-solving steps. -A ribbon is 93 centimeters long. It is cut into two pieces, with one piece 17 centimeters longer than the other. Find the length of each piece.

Solve each equation. - $x-7=-9$