Question 1

Find the absolute value.
-$\left|-9 \frac{1}{5}\right|$

Accepted Answer

A)  $-5 \frac{1}{9}$ 
B)  $-9 \frac{1}{5}$ 
C)  $5 \frac{1}{9}$ 
D)  $9 \frac{1}{5}$ 
A)  $-5 \frac{1}{9}$ 
B)  $-9 \frac{1}{5}$ 
C)  $5 \frac{1}{9}$ 
D)  $9 \frac{1}{5}$

Question 2

Add.
-$(-0.1)+(-2.8)+(-0.5)$

Accepted Answer

A)  -3.4 
B)  2.4 
C)  2.2 
D)  3.2 
A)  -3.4 
B)  2.4 
C)  2.2 
D)  3.2

Question 3

Simplify.
-$(-6)^{2}+(-6)$

Accepted Answer

A)  -30 
B)  30 
C)  -42 
D)  42 
A)  -30 
B)  30 
C)  -42 
D)  42

Question 4

Find the quotient. Simplify.
-$-18 \div 9$

Accepted Answer

A)  -1 
B)  -3 
C)  2 
D)  -2 
A)  -1 
B)  -3 
C)  2 
D)  -2

Question 5

Multiply.
-$1.7 \cdot(-4.93)$

Accepted Answer

A)  6.63 
B)  -8.381 
C)  6.73 
D)  -3.23 
A)  6.63 
B)  -8.381 
C)  6.73 
D)  -3.23

Question 6

Graph the numbers on the number line.
-$-5 \frac{3}{4},-3,-1,1 \frac{1}{4}$

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 7

Find the product.
-$\left(-\frac{7}{8}\right)^{2}$

Accepted Answer

A)  $-\frac{49}{64}$ 
B)  $-\frac{50}{65}$ 
C)  $\frac{49}{64}$ 
D)  $\frac{50}{65}$ 
A)  $-\frac{49}{64}$ 
B)  $-\frac{50}{65}$ 
C)  $\frac{49}{64}$ 
D)  $\frac{50}{65}$

Question 8

Add. Do not use a number line except as a check.
-$-5 \frac{1}{5}+\left(-\frac{3}{5}\right)$

Accepted Answer

A)  $6 \frac{3}{25}$ 
B)  $-6 \frac{1}{5}$ 
C)  $-5 \frac{4}{5}$ 
D)  $-5 \frac{2}{5}$ 
A)  $6 \frac{3}{25}$ 
B)  $-6 \frac{1}{5}$ 
C)  $-5 \frac{4}{5}$ 
D)  $-5 \frac{2}{5}$

Question 9

Perform the indicated operation or operations.
-$\left(-\frac{5}{24}\right)\left(-\frac{5}{24}\right)$

Accepted Answer

A)  $-\frac{5}{576}$ 
B)  $\frac{25}{576}$ 
C)  1 
D)  $-\frac{5}{24}$ 
A)  $-\frac{5}{576}$ 
B)  $\frac{25}{576}$ 
C)  1 
D)  $-\frac{5}{24}$

Question 10

Simplify.
-$\frac{18}{-19}$

Accepted Answer

A)  $-\frac{18}{19}$ 
B)  $\frac{10}{9}$ 
C)  $-\frac{9}{10}$ 
D)  $\frac{18}{19}$ 
A)  $-\frac{18}{19}$ 
B)  $\frac{10}{9}$ 
C)  $-\frac{9}{10}$ 
D)  $\frac{18}{19}$

Question 11

Simplify.
-$-22 \div 11(-9)$

Accepted Answer

A)  -11 
B)  18 
C)  -18 
D)  11 
A)  -11 
B)  18 
C)  -18 
D)  11

Question 12

Decide if the inequality is correct.
-$-7.9>-7.6$

Accepted Answer

A) True 
 B)False

Question 13

Find the sum.
-$-1.5+6.9$

Accepted Answer

A)  -8.4 
B)  -5.4 
C)  5.4 
D)  8.4 
A)  -8.4 
B)  -5.4 
C)  5.4 
D)  8.4

Question 14

Evaluate.
-$-3+3$

Accepted Answer

A)  -3 
B)  3 
C)  6 
D)  0 
A)  -3 
B)  3 
C)  6 
D)  0

Question 15

Divide.
-$\frac{1}{7} \div\left(-\frac{1}{8}\right)$

Accepted Answer

A)  $\frac{8}{7}$ 
B)  $-\frac{8}{7}$ 
C)  $-\frac{1}{56}$ 
D)  $-\frac{9}{28}$ 
A)  $\frac{8}{7}$ 
B)  $-\frac{8}{7}$ 
C)  $-\frac{1}{56}$ 
D)  $-\frac{9}{28}$

Question 16

Solve the problem.
-On January 5 , the temperature at a camp site near the arctic circle was $-24^{\circ}$ Fahrenheit. The temperature rose $2^{\circ} \mathrm{F}$ per day for 5 days. What was the temperature on January 10 th?

Accepted Answer

A)  $14^{\circ}$ 
B)  $-15^{\circ}$ 
C)  $-14^{\circ}$ 
D)  $15^{\circ}$ 
A)  $14^{\circ}$ 
B)  $-15^{\circ}$ 
C)  $-14^{\circ}$ 
D)  $15^{\circ}$

Question 17

Simplify.
-$\frac{-10}{-5} \cdot \frac{-25}{5}$

Accepted Answer

A)  -5 
B)  12 
C)  -9 
D)  -10 
A)  -5 
B)  12 
C)  -9 
D)  -10

Question 18

Perform the operation. Write the answer as a mixed number.
-$-6 \frac{3}{4}-\left(-4 \frac{1}{2}\right)$

Accepted Answer

A)  $10 \frac{1}{4}$ 
B)  $-2 \frac{1}{2}$ 
C)  $3 \frac{3}{4}$ 
D)  $-2 \frac{1}{4}$ 
A)  $10 \frac{1}{4}$ 
B)  $-2 \frac{1}{2}$ 
C)  $3 \frac{3}{4}$ 
D)  $-2 \frac{1}{4}$

Question 19

Perform the indicated operation or operations.
-$\left(\frac{1}{4}\right)\left(\frac{1}{7}\right)$

Accepted Answer

A)  $\frac{1}{14}$ 
B)  $\frac{2}{11}$ 
C)  $\frac{1}{28}$ 
D)  $\frac{4}{7}$ 
A)  $\frac{1}{14}$ 
B)  $\frac{2}{11}$ 
C)  $\frac{1}{28}$ 
D)  $\frac{4}{7}$

Question 20

Write a signed number for the statement.
-a climb of 131 feet up a steep mountain cliff

Accepted Answer

A)  -131 
B)  131 
A)  -131 
B)  131

Find the absolute value. - $\left|-9 \frac{1}{5}\right|$

Add. - $(-0.1)+(-2.8)+(-0.5)$

Simplify. - $(-6)^{2}+(-6)$

Find the quotient. Simplify. - $-18 \div 9$

Multiply. - $1.7 \cdot(-4.93)$

Graph the numbers on the number line. - $-5 \frac{3}{4},-3,-1,1 \frac{1}{4}$ $Graph the numbers on the number line. - -5 \frac{3}{4},-3,-1,1 \frac{1}{4}$

Find the product. - $\left(-\frac{7}{8}\right)^{2}$

Add. Do not use a number line except as a check. - $-5 \frac{1}{5}+\left(-\frac{3}{5}\right)$

Perform the indicated operation or operations. - $\left(-\frac{5}{24}\right)\left(-\frac{5}{24}\right)$

Simplify. - $\frac{18}{-19}$

Simplify. - $-22 \div 11(-9)$

Decide if the inequality is correct. - $-7.9>-7.6$

Find the sum. - $-1.5+6.9$

Evaluate. - $-3+3$

Divide. - $\frac{1}{7} \div\left(-\frac{1}{8}\right)$

Solve the problem. -On January 5 , the temperature at a camp site near the arctic circle was $-24^{\circ}$ Fahrenheit. The temperature rose $2^{\circ} \mathrm{F}$ per day for 5 days. What was the temperature on January 10 th?

Simplify. - $\frac{-10}{-5} \cdot \frac{-25}{5}$

Perform the operation. Write the answer as a mixed number. - $-6 \frac{3}{4}-\left(-4 \frac{1}{2}\right)$

Perform the indicated operation or operations. - $\left(\frac{1}{4}\right)\left(\frac{1}{7}\right)$

Write a signed number for the statement. -a climb of 131 feet up a steep mountain cliff

Whole Numbers

Fractions

Decimals

Basic Algebra: Solving Simple Equations

Ratio and Proportion

Percents

Basic Statistics

More on Algebra

Measurement and Units

Basic Geometry

Filters

Exam 7: Signed Numbers

Find the absolute value. - ∣−915∣\left|-9 \frac{1}{5}\right|​−951​​

Add. - (−0.1)+(−2.8)+(−0.5)(-0.1)+(-2.8)+(-0.5)(−0.1)+(−2.8)+(−0.5)

Simplify. - (−6)2+(−6)(-6)^{2}+(-6)(−6)2+(−6)

Find the quotient. Simplify. - −18÷9-18 \div 9−18÷9

Multiply. - 1.7⋅(−4.93)1.7 \cdot(-4.93)1.7⋅(−4.93)

Graph the numbers on the number line. - −534,−3,−1,114-5 \frac{3}{4},-3,-1,1 \frac{1}{4}−543​,−3,−1,141​

Find the product. - (−78)2\left(-\frac{7}{8}\right)^{2}(−87​)2

Add. Do not use a number line except as a check. - −515+(−35)-5 \frac{1}{5}+\left(-\frac{3}{5}\right)−551​+(−53​)

Perform the indicated operation or operations. - (−524)(−524)\left(-\frac{5}{24}\right)\left(-\frac{5}{24}\right)(−245​)(−245​)

Simplify. - 18−19\frac{18}{-19}−1918​

Simplify. - −22÷11(−9)-22 \div 11(-9)−22÷11(−9)

Decide if the inequality is correct. - −7.9>−7.6-7.9>-7.6−7.9>−7.6

Find the sum. - −1.5+6.9-1.5+6.9−1.5+6.9

Evaluate. - −3+3-3+3−3+3

Divide. - 17÷(−18)\frac{1}{7} \div\left(-\frac{1}{8}\right)71​÷(−81​)

Solve the problem. -On January 5 , the temperature at a camp site near the arctic circle was −24∘-24^{\circ}−24∘ Fahrenheit. The temperature rose 2∘F2^{\circ} \mathrm{F}2∘F per day for 5 days. What was the temperature on January 10 th?

Simplify. - −10−5⋅−255\frac{-10}{-5} \cdot \frac{-25}{5}−5−10​⋅5−25​

Perform the operation. Write the answer as a mixed number. - −634−(−412)-6 \frac{3}{4}-\left(-4 \frac{1}{2}\right)−643​−(−421​)

Perform the indicated operation or operations. - (14)(17)\left(\frac{1}{4}\right)\left(\frac{1}{7}\right)(41​)(71​)