Question 1

Multiply.
-$\left(\frac{11}{14}\right)\left(-\frac{3}{5}\right)\left(\frac{5}{9}\right)$

Accepted Answer

A)  $-\frac{11}{42}$ 
B)  $-\frac{6}{5}$ 
C)  $\frac{11}{2520}$ 
D)  $-\frac{33}{70}$ 
A)  $-\frac{11}{42}$ 
B)  $-\frac{6}{5}$ 
C)  $\frac{11}{2520}$ 
D)  $-\frac{33}{70}$

Question 2

Add.
-$3+(-10)+\left(-1 \frac{7}{8}\right)$

Accepted Answer

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

Question 3

Graph the numbers on the number line.
-$-3.75,-1,1,3.25$

Accepted Answer

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

Question 4

Solve the problem.
-The price of Pearson stock rose $\frac{1}{8}$ of a dollar each week for 27 weeks in a row. What is the overall change in the stock price?

Accepted Answer

A)  $\$ 3 \frac{5}{8}$ 
B)  $\$ 3 \frac{1}{4}$ 
C)  $-\$ 3 \frac{1}{4}$ 
D)  $\$ 3 \frac{3}{8}$ 
A)  $\$ 3 \frac{5}{8}$ 
B)  $\$ 3 \frac{1}{4}$ 
C)  $-\$ 3 \frac{1}{4}$ 
D)  $\$ 3 \frac{3}{8}$

Question 5

Solve the problem.
-You withdraw $\$ 64$ a week from a savings account for 9 weeks. What is the overall change in the account?

Accepted Answer

A)  $-\$ 73$ 
B)  $\$ 73$ 
C)  $-\$ 576$ 
D)  $\$ 576$ 
A)  $-\$ 73$ 
B)  $\$ 73$ 
C)  $-\$ 576$ 
D)  $\$ 576$

Question 6

Solve.
-You make a deposit of $\$ 77$ into your checking account and you write a check for $\$ 77$. What is the overall effect of these two actions?

Accepted Answer

A)  $\$ 154$ 
B)  $-\$ 1$ 
C)  $-\$ 154$ 
D)  $\$ 0$ 
A)  $\$ 154$ 
B)  $-\$ 1$ 
C)  $-\$ 154$ 
D)  $\$ 0$

Question 7

Simplify.
-$-4 \div(-2)^{2}-6 \cdot(-6)$

Accepted Answer

A)  35 
B)  32 
C)  -35 
D)  -32 
A)  35 
B)  32 
C)  -35 
D)  -32

Question 8

Arrange the numbers from smallest to largest.
-$4.9,4 \frac{1}{2},-6,4.8$

Accepted Answer

A)  $4.8,4.9,-6,4 \frac{1}{2}$ 
B)  $-6,4 \frac{1}{2}, 4.9,4.8$ 
C)  $4.9,4.8,4 \frac{1}{2},-6$ 
D)  $-6,4 \frac{1}{2}, 4.8,4.9$ 
A)  $4.8,4.9,-6,4 \frac{1}{2}$ 
B)  $-6,4 \frac{1}{2}, 4.9,4.8$ 
C)  $4.9,4.8,4 \frac{1}{2},-6$ 
D)  $-6,4 \frac{1}{2}, 4.8,4.9$

Question 9

Simplify.
-$-6 \div(-2)(-5)$

Accepted Answer

A)  2 
B)  -2 
C)  -15 
D)  15 
A)  2 
B)  -2 
C)  -15 
D)  15

Question 10

Find the sum.
-$2.6+(-6.3)$

Accepted Answer

A)  -8.9 
B)  -3.7 
C)  8.9 
D)  3.7 
A)  -8.9 
B)  -3.7 
C)  8.9 
D)  3.7

Question 11

Add the numbers using the number line.
-$-5+3$

Accepted Answer

A)  2 
B)  8 
C)  -8 
D)  -2 
A)  2 
B)  8 
C)  -8 
D)  -2

Question 12

Simplify.
-$\frac{12}{-12}$

Accepted Answer

A)  -12 
B)  1 
C)  -1 
D)  0 
A)  -12 
B)  1 
C)  -1 
D)  0

Question 13

Find the larger number.
-0 and 82

Accepted Answer

A)  0 
B)  82 
A)  0 
B)  82

Question 14

Add. Do not use a number line except as a check.
-$7 \frac{5}{8}+\left(-\frac{1}{4}\right)$

Accepted Answer

A)  $-7 \frac{1}{4}$ 
B)  $7 \frac{3}{4}$ 
C)  $7 \frac{3}{8}$ 
D)  $7 \frac{1}{2}$ 
A)  $-7 \frac{1}{4}$ 
B)  $7 \frac{3}{4}$ 
C)  $7 \frac{3}{8}$ 
D)  $7 \frac{1}{2}$

Question 15

Find the larger number.
-0 and -24

Accepted Answer

A)  0 
B)  -24 
A)  0 
B)  -24

Question 16

Solve. Express your answer as a signed number.
-In 5 weeks, the value of Bob Treatman's day trading account decreased by $\$ 185$. What was the average weekly change in the value of the account?

Accepted Answer

A)  $-\$ 39$ per week 
B)  $-\$ 37$ per week 
C)  $35 per week 
D)  $-\$ 43$ per week 
A)  $-\$ 39$ per week 
B)  $-\$ 37$ per week 
C)  $35 per week 
D)  $-\$ 43$ per week

Question 17

Find the quotient. Simplify.
-$16 \div(-8)$

Accepted Answer

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

Question 18

Subtract.
-$-0.48-9$

Accepted Answer

A)  -9.48 
B)  9.48 
C)  -8.52 
D)  8.52 
A)  -9.48 
B)  9.48 
C)  -8.52 
D)  8.52

Question 19

Solve. Express your answer as a signed number.
-Hillary lost 23 pounds in 18 weeks. What was her average weekly change in weight?

Accepted Answer

A)  $1 \frac{1}{9}$ pounds per week 
B)  $-1 \frac{7}{18}$ pounds per week 
C)  $-1 \frac{2}{9}$ pounds per week 
D)  $-1 \frac{5}{18}$ pounds per week 
A)  $1 \frac{1}{9}$ pounds per week 
B)  $-1 \frac{7}{18}$ pounds per week 
C)  $-1 \frac{2}{9}$ pounds per week 
D)  $-1 \frac{5}{18}$ pounds per week

Question 20

Solve. Express your answer as a signed number.
-Hillary lost 13 pounds in 16 weeks. What was her average weekly change in weight?

Accepted Answer

A)  $-\frac{3}{4}$ pounds per week 
B)  $-\frac{7}{8}$ pounds per week 
C)  $-\frac{13}{16}$ pounds per week 
D)  $\frac{3}{4}$ pounds per week 
A)  $-\frac{3}{4}$ pounds per week 
B)  $-\frac{7}{8}$ pounds per week 
C)  $-\frac{13}{16}$ pounds per week 
D)  $\frac{3}{4}$ pounds per week

Multiply. - $\left(\frac{11}{14}\right)\left(-\frac{3}{5}\right)\left(\frac{5}{9}\right)$

Add. - $3+(-10)+\left(-1 \frac{7}{8}\right)$

Graph the numbers on the number line. - $-3.75,-1,1,3.25$

Solve the problem. -The price of Pearson stock rose $\frac{1}{8}$ of a dollar each week for 27 weeks in a row. What is the overall change in the stock price?

Solve the problem. -You withdraw $\$ 64$ a week from a savings account for 9 weeks. What is the overall change in the account?

Solve. -You make a deposit of $\$ 77$ into your checking account and you write a check for $\$ 77$ . What is the overall effect of these two actions?

Simplify. - $-4 \div(-2)^{2}-6 \cdot(-6)$

Arrange the numbers from smallest to largest. - $4.9,4 \frac{1}{2},-6,4.8$

Simplify. - $-6 \div(-2)(-5)$

Find the sum. - $2.6+(-6.3)$

Add the numbers using the number line. - $-5+3$

Simplify. - $\frac{12}{-12}$

Find the larger number. -0 and 82

Add. Do not use a number line except as a check. - $7 \frac{5}{8}+\left(-\frac{1}{4}\right)$

Find the larger number. -0 and -24

Solve. Express your answer as a signed number. -In 5 weeks, the value of Bob Treatman's day trading account decreased by $\$ 185$ . What was the average weekly change in the value of the account?

Find the quotient. Simplify. - $16 \div(-8)$

Subtract. - $-0.48-9$

Solve. Express your answer as a signed number. -Hillary lost 23 pounds in 18 weeks. What was her average weekly change in weight?

Solve. Express your answer as a signed number. -Hillary lost 13 pounds in 16 weeks. What was her average weekly change in weight?

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Exam 7: Signed Numbers

Multiply. - (1114)(−35)(59)\left(\frac{11}{14}\right)\left(-\frac{3}{5}\right)\left(\frac{5}{9}\right)(1411​)(−53​)(95​)

Add. - 3+(−10)+(−178)3+(-10)+\left(-1 \frac{7}{8}\right)3+(−10)+(−187​)

Graph the numbers on the number line. - −3.75,−1,1,3.25-3.75,-1,1,3.25−3.75,−1,1,3.25

Solve the problem. -The price of Pearson stock rose 18\frac{1}{8}81​ of a dollar each week for 27 weeks in a row. What is the overall change in the stock price?

Solve the problem. -You withdraw $64\$ 64$64 a week from a savings account for 9 weeks. What is the overall change in the account?

Solve. -You make a deposit of $77\$ 77$77 into your checking account and you write a check for $77\$ 77$77 . What is the overall effect of these two actions?

Simplify. - −4÷(−2)2−6⋅(−6)-4 \div(-2)^{2}-6 \cdot(-6)−4÷(−2)2−6⋅(−6)

Arrange the numbers from smallest to largest. - 4.9,412,−6,4.84.9,4 \frac{1}{2},-6,4.84.9,421​,−6,4.8

Simplify. - −6÷(−2)(−5)-6 \div(-2)(-5)−6÷(−2)(−5)

Find the sum. - 2.6+(−6.3)2.6+(-6.3)2.6+(−6.3)

Add the numbers using the number line. - −5+3-5+3−5+3

Simplify. - 12−12\frac{12}{-12}−1212​