Question 1

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

Accepted Answer

A)  $-\frac{2}{5}$ 
B)  - 1 
C)  $-\frac{1}{8}$ 
D)  -8 
A)  $-\frac{2}{5}$ 
B)  - 1 
C)  $-\frac{1}{8}$ 
D)  -8

Question 2

Find the product.
-$(-0.389)^{2}$

Accepted Answer

A)  0.0151321 
B)  -0.151321 
C)  -0.0151321 
D)  0.151321 
A)  0.0151321 
B)  -0.151321 
C)  -0.0151321 
D)  0.151321

Question 3

Find the sum.
-$92+(-14)$

Accepted Answer

A)  78 
B)  -106 
C)  -78 
D)  106 
A)  78 
B)  -106 
C)  -78 
D)  106

Question 4

Give a written response.
-Can you name a number whose absolute value is 0 ? Explain your answer.

Accepted Answer

A) True 
 B)False

Question 5

Solve the problem.
-Today you owe $\$ 150$. Last week, you owed $\$ 470$. Were you better off financially last week, or are you better off today?

Accepted Answer

A)  Better off last week 
B)  Better off today 
A)  Better off last week 
B)  Better off today

Question 6

Perform the indicated operation or operations.
-$7 \frac{1}{2}\left(-\frac{8}{9}\right)$

Accepted Answer

A)  $-5 \frac{11}{18}$ 
B)  $-6 \frac{2}{3}$ 
C)  $-6 \frac{1}{2}$ 
D)  $6 \frac{7}{9}$ 
A)  $-5 \frac{11}{18}$ 
B)  $-6 \frac{2}{3}$ 
C)  $-6 \frac{1}{2}$ 
D)  $6 \frac{7}{9}$

Question 7

Solve.
-You make a deposit of $\$ 85$ into your checking account and you write a check for $\$ 39$. What is the overall effect of these two actions?

Accepted Answer

A)  $-\$ 124$ 
B)  $-\$ 46$ 
C)  $\$ 46$ 
D)  $\$ 124$ 
A)  $-\$ 124$ 
B)  $-\$ 46$ 
C)  $\$ 46$ 
D)  $\$ 124$

Question 8

Evaluate.
-$\left(-\frac{5}{6}\right)^{2}$

Accepted Answer

A)  $-\frac{26}{37}$ 
B)  $\frac{26}{37}$ 
C)  $\frac{25}{36}$ 
D)  $-\frac{25}{36}$ 
A)  $-\frac{26}{37}$ 
B)  $\frac{26}{37}$ 
C)  $\frac{25}{36}$ 
D)  $-\frac{25}{36}$

Question 9

Multiply.
-$(14)(-6.41)$

Accepted Answer

A)  7.59 
B)  20.41 
C)  -89.74 
D)  20.51 
A)  7.59 
B)  20.41 
C)  -89.74 
D)  20.51

Question 10

Add the numbers using the number line.
-$3+(-4)$

Accepted Answer

A)  -1 
B)  1 
C)  -7 
D)  7 
A)  -1 
B)  1 
C)  -7 
D)  7

Question 11

Give a written response.
-Can you name a number whose absolute value is -21? Explain your answer.

Accepted Answer

A) True 
 B)False

Question 12

Evaluate.
-$2.1+(-6.4)$

Accepted Answer

A)  -8.5 
B)  -4.3 
C)  8.5 
D)  4.3 
A)  -8.5 
B)  -4.3 
C)  8.5 
D)  4.3

Question 13

Write a signed number for the statement.
-losing 11 cents

Accepted Answer

A)  -11 
B)  11 
A)  -11 
B)  11

Question 14

Subtract.
-$-6-(-7)$

Accepted Answer

A)  1 
B)  -1 
C)  -6 
D)  -13 
A)  1 
B)  -1 
C)  -6 
D)  -13

Question 15

Combine.
-$10.1+(-7.0)-17.3$

Accepted Answer

A)  -14.2 
B)  14.2 
C)  20.4 
D)  34.4 
A)  -14.2 
B)  14.2 
C)  20.4 
D)  34.4

Question 16

Write a signed number for the statement.
-a deduction of $\$ 143.60$ in your checkbook

Accepted Answer

A)  -143.60 
B)  143.60 
A)  -143.60 
B)  143.60

Question 17

Arrange the numbers from smallest to largest.
-$1,-1,-1.2$

Accepted Answer

A)  $-1.2,1,-1$ 
B)  $-1.2,-1,1$ 
C)  $-1,1,-1.2$ 
D)  $-1,-1.2,1$ 
A)  $-1.2,1,-1$ 
B)  $-1.2,-1,1$ 
C)  $-1,1,-1.2$ 
D)  $-1,-1.2,1$

Question 18

Perform the operation. Write the answer as a mixed number.
-$7 \frac{1}{2}-\left(-5 \frac{1}{6}\right)$

Accepted Answer

A)  $12 \frac{2}{3}$ 
B)  $11 \frac{5}{6}$ 
C)  $-12 \frac{1}{6}$ 
D)  $2 \frac{1}{3}$ 
A)  $12 \frac{2}{3}$ 
B)  $11 \frac{5}{6}$ 
C)  $-12 \frac{1}{6}$ 
D)  $2 \frac{1}{3}$

Question 19

Divide.
-$(13)) \div\left(\frac{15}{19}\right)$

Accepted Answer

A)  $\frac{247}{15}$ 
B)  $\frac{195}{19}$ 
C)  $-\frac{13}{15}$ 
D)  $\frac{1}{9}$ 
A)  $\frac{247}{15}$ 
B)  $\frac{195}{19}$ 
C)  $-\frac{13}{15}$ 
D)  $\frac{1}{9}$

Question 20

Multiply.
-$-5 \cdot(-4) \cdot 3 \cdot(-8) \cdot 7 \cdot(-3) \cdot(-3)$

Accepted Answer

A)  -13 
B)  $-30,240$ 
C)  30,240 
D)  10,083 
A)  -13 
B)  $-30,240$ 
C)  30,240 
D)  10,083

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

Find the product. - $(-0.389)^{2}$

Find the sum. - $92+(-14)$

Give a written response. -Can you name a number whose absolute value is 0 ? Explain your answer.

Solve the problem. -Today you owe $\$ 150$ . Last week, you owed $\$ 470$ . Were you better off financially last week, or are you better off today?

Perform the indicated operation or operations. - $7 \frac{1}{2}\left(-\frac{8}{9}\right)$

Solve. -You make a deposit of $\$ 85$ into your checking account and you write a check for $\$ 39$ . What is the overall effect of these two actions?

Evaluate. - $\left(-\frac{5}{6}\right)^{2}$

Multiply. - $(14)(-6.41)$

Add the numbers using the number line. - $3+(-4)$

Give a written response. -Can you name a number whose absolute value is -21? Explain your answer.

Evaluate. - $2.1+(-6.4)$

Write a signed number for the statement. -losing 11 cents

Subtract. - $-6-(-7)$

Combine. - $10.1+(-7.0)-17.3$

Write a signed number for the statement. -a deduction of $\$ 143.60$ in your checkbook

Arrange the numbers from smallest to largest. - $1,-1,-1.2$

Perform the operation. Write the answer as a mixed number. - $7 \frac{1}{2}-\left(-5 \frac{1}{6}\right)$

Divide. - $(13)) \div\left(\frac{15}{19}\right)$

Multiply. - $-5 \cdot(-4) \cdot 3 \cdot(-8) \cdot 7 \cdot(-3) \cdot(-3)$

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Exam 7: Signed Numbers

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

Find the product. - (−0.389)2(-0.389)^{2}(−0.389)2

Find the sum. - 92+(−14)92+(-14)92+(−14)

Give a written response. -Can you name a number whose absolute value is 0 ? Explain your answer.

Solve the problem. -Today you owe $150\$ 150$150 . Last week, you owed $470\$ 470$470 . Were you better off financially last week, or are you better off today?

Perform the indicated operation or operations. - 712(−89)7 \frac{1}{2}\left(-\frac{8}{9}\right)721​(−98​)

Solve. -You make a deposit of $85\$ 85$85 into your checking account and you write a check for $39\$ 39$39 . What is the overall effect of these two actions?

Evaluate. - (−56)2\left(-\frac{5}{6}\right)^{2}(−65​)2

Multiply. - (14)(−6.41)(14)(-6.41)(14)(−6.41)

Add the numbers using the number line. - 3+(−4)3+(-4)3+(−4)