Question 1

Convert to decimal notation.
-$-\frac{1}{8}$

Accepted Answer

A)  $-0.12 \overline{5}$ 
B)  -0.125 
C)  $-0 . \overline{125}$ 
D)  0.125 
A)  $-0.12 \overline{5}$ 
B)  -0.125 
C)  $-0 . \overline{125}$ 
D)  0.125

Question 2

Find the opposite, or additive inverse.
-$\frac{17}{6}$

Accepted Answer

A)  $-\frac{6}{17}$ 
B)  $-\frac{17}{6}$ 
C)  $\frac{6}{17}$ 
D)  $\frac{17}{6}$ 
A)  $-\frac{6}{17}$ 
B)  $-\frac{17}{6}$ 
C)  $\frac{6}{17}$ 
D)  $\frac{17}{6}$

Question 3

Write the fraction in decimal notation.
-$\frac{102}{125}$

Accepted Answer

A)  0.836 
B)  0.816 
C)  0.766 
D)  0.916 
A)  0.836 
B)  0.816 
C)  0.766 
D)  0.916

Question 4

Simplify.
-$\frac{15 y z}{6 z}$

Accepted Answer

A)  $\frac{3}{2} y$ 
B)  $\frac{5}{2} y$ 
C)  $-\frac{2}{5} \mathrm{z}$ 
D)  $\frac{15 y}{6}$ 
A)  $\frac{3}{2} y$ 
B)  $\frac{5}{2} y$ 
C)  $-\frac{2}{5} \mathrm{z}$ 
D)  $\frac{15 y}{6}$

Question 5

Evaluate $-x$ for the given value of $x$.
-$x=0$

Accepted Answer

A)  - 1 
B)  1 
C)  -5 
D)  0 
A)  - 1 
B)  1 
C)  -5 
D)  0

Question 6

Convert to percent notation.
-1.6

Accepted Answer

A)  $16 \%$ 
B)  $0.16 \%$ 
C)  $0.0016 \%$ 
D)  $160 \%$ 
A)  $16 \%$ 
B)  $0.16 \%$ 
C)  $0.0016 \%$ 
D)  $160 \%$

Question 7

Evaluate $-x$ for the given value of $x$.
-$x=4.5$

Accepted Answer

A)  4.5 
B)  -4 
C)  -4.5 
D)  4 
A)  4.5 
B)  -4 
C)  -4.5 
D)  4

Question 8

Add.
-458.005
$+17.323$
------------------

Accepted Answer

A)  475.327 
B)  475.228 
C)  475.328 
D)  475.318 
A)  475.327 
B)  475.228 
C)  475.328 
D)  475.318

Question 9

Perform the indicated operation and, if possible, simplify.
-$\frac{3}{14}+\frac{3}{14}$

Accepted Answer

A)  $\frac{3}{14}$ 
B)  0 
C)  $\frac{9}{14}$ 
D)  $\frac{3}{7}$ 
A)  $\frac{3}{14}$ 
B)  0 
C)  $\frac{9}{14}$ 
D)  $\frac{3}{7}$

Question 10

Evaluate $-x$ for the given value of $x$.
-$x=4$

Accepted Answer

A)  -5 
B)  0 
C)  4 
D)  -4 
A)  -5 
B)  0 
C)  4 
D)  -4

Question 11

Convert to decimal notation.
-$\frac{6}{10,000}$

Accepted Answer

A)  0.06 
B)  0.0006 
C)  0.006 
D)  0.00000006 
A)  0.06 
B)  0.0006 
C)  0.006 
D)  0.00000006

Question 12

Simplify.
-$\frac{12-4^{2}}{2^{2}+4^{2}}$

Accepted Answer

A)  $-\frac{1}{5}$ 
B)  $-\frac{2}{3}$ 
C)  $\frac{16}{5}$ 
D)  $\frac{4}{3}$ 
A)  $-\frac{1}{5}$ 
B)  $-\frac{2}{3}$ 
C)  $\frac{16}{5}$ 
D)  $\frac{4}{3}$

Question 13

Evaluate.
-$\frac{x+y}{3}$, when $x=7$ and $y=11$

Accepted Answer

A)  4 
B)  6 
C)  5 
D)  7 
A)  4 
B)  6 
C)  5 
D)  7

Question 14

Convert to decimal notation.
-$56.12 \%$

Accepted Answer

A)  561.2 
B)  0.05612 
C)  0.5612 
D)  5.612 
A)  561.2 
B)  0.05612 
C)  0.5612 
D)  5.612

Question 15

Write an equivalent expression. Use an associative law.
-8(ab)

Accepted Answer

A)  8(ba) 
B)  $a(8 b)$ 
C)  $(8 a) b$ 
D)  $8 a+8 b$ 
A)  8(ba) 
B)  $a(8 b)$ 
C)  $(8 a) b$ 
D)  $8 a+8 b$

Question 16

Perform the indicated operation and, if possible, simplify.
-$\frac{3}{7} \div \frac{1}{3}$

Accepted Answer

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

Question 17

State the real number that corresponds to the situation.
-One country exported $\$ 71,600,000$ more than it imported, giving it a positive trade balance.

Accepted Answer

A)  $-71,600,000$ 
B)  $71,600,000$ 
A)  $-71,600,000$ 
B)  $71,600,000$

Question 18

Multiply.
-$-9 \cdot(-5) \cdot 9 \cdot(-18)$

Accepted Answer

A)  -23 
B)  423 
C)  -7290 
D)  7290 
A)  -23 
B)  423 
C)  -7290 
D)  7290

Question 19

Find the reciprocal, if it exists.
--7.7

Accepted Answer

A)  $-\frac{7.7}{0}$ 
B)  1 
C)  7.7 
D)  $-\frac{1}{7.7}$ 
A)  $-\frac{7.7}{0}$ 
B)  1 
C)  7.7 
D)  $-\frac{1}{7.7}$

Question 20

Convert to decimal notation.
-$\frac{9}{10}$

Accepted Answer

A)  0.9 
B)  0.009 
C)  0.00009 
D)  0.09 
A)  0.9 
B)  0.009 
C)  0.00009 
D)  0.09

Convert to decimal notation. - $-\frac{1}{8}$

Find the opposite, or additive inverse. - $\frac{17}{6}$

Write the fraction in decimal notation. - $\frac{102}{125}$

Simplify. - $\frac{15 y z}{6 z}$

Evaluate $-x$ for the given value of $x$ . - $x=0$

Convert to percent notation. -1.6

Evaluate $-x$ for the given value of $x$ . - $x=4.5$

Add. -458.005 $+17.323$ ------------------

Perform the indicated operation and, if possible, simplify. - $\frac{3}{14}+\frac{3}{14}$

Evaluate $-x$ for the given value of $x$ . - $x=4$

Convert to decimal notation. - $\frac{6}{10,000}$

Simplify. - $\frac{12-4^{2}}{2^{2}+4^{2}}$

Evaluate. - $\frac{x+y}{3}$ , when $x=7$ and $y=11$

Convert to decimal notation. - $56.12 \%$

Write an equivalent expression. Use an associative law. -8(ab)

Perform the indicated operation and, if possible, simplify. - $\frac{3}{7} \div \frac{1}{3}$

State the real number that corresponds to the situation. -One country exported $\$ 71,600,000$ more than it imported, giving it a positive trade balance.

Multiply. - $-9 \cdot(-5) \cdot 9 \cdot(-18)$

Find the reciprocal, if it exists. --7.7

Convert to decimal notation. - $\frac{9}{10}$

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Systems of Equations

Radical Expressions and Equations

Quadratic Equations

Equations of Lines and Simplifying Radical Expressions

Filters

Exam 1: Introduction to Real Numbers and Algebraic Expressions

Convert to decimal notation. - −18-\frac{1}{8}−81​

Find the opposite, or additive inverse. - 176\frac{17}{6}617​

Write the fraction in decimal notation. - 102125\frac{102}{125}125102​

Simplify. - 15yz6z\frac{15 y z}{6 z}6z15yz​

Evaluate −x-x−x for the given value of xxx . - x=0x=0x=0