Question 1

Divide, if possible.
-$\frac{-63}{9}$

Accepted Answer

A)  7 
B)  -7 
C)  -17 
D)  $-\frac{1}{7}$ 
A)  7 
B)  -7 
C)  -17 
D)  $-\frac{1}{7}$

Question 2

Divide.
-$\frac{1.5}{0.03}$

Accepted Answer

A)  $\frac{1}{50}$ 
B)  50 
C)  14.7 
D)  1.47 
A)  $\frac{1}{50}$ 
B)  50 
C)  14.7 
D)  1.47

Question 3

Insert \) to write a true statement.
-0-------------- -4

Accepted Answer

A)  $0-4$ 
A)  $0-4$

Question 4

Round to the requested decimal place.
-1.258 (nearest hundredth)

Accepted Answer

A)  1.25 
B)  1.26 
C)  1.27 
A)  1.25 
B)  1.26 
C)  1.27

Question 5

Write the fraction in decimal notation.
-$\frac{19}{12}$

Accepted Answer

A)  $1 . \overline{583}$ 
B)  $1.59 \overline{0}$ 
C)  $1 . \overline{590}$ 
D)  $1.58 \overline{3}$ 
A)  $1 . \overline{583}$ 
B)  $1.59 \overline{0}$ 
C)  $1 . \overline{590}$ 
D)  $1.58 \overline{3}$

Question 6

Simplify.
-$\frac{60 x y}{40 x y}$

Accepted Answer

A)  $\frac{3 x y}{2}$ 
B)  $\frac{3}{2}$ 
C)  $-\frac{3 x y}{2}$ 
D)  $-\frac{3}{2}$ 
A)  $\frac{3 x y}{2}$ 
B)  $\frac{3}{2}$ 
C)  $-\frac{3 x y}{2}$ 
D)  $-\frac{3}{2}$

Question 7

Substitute to find the value of the expression.
-Mary earns three times as much per week as Maureen. If $x$ represents the amount that Maureen earns per week, then $3 x$ represents the amount that Mary earns per week. How much does Mary earn per week if Maureen earns $\$ 345$ per week?

Accepted Answer

A)  $\$ 342$ 
B)  $\$ 115.00$ 
C)  $\$ 1035$ 
D)  $\$ 348$ 
A)  $\$ 342$ 
B)  $\$ 115.00$ 
C)  $\$ 1035$ 
D)  $\$ 348$

Question 8

Solve the problem.
-A machinist has flat metal plate that is $6.468 \mathrm{~cm}$ thick. He laminates the metal plate with four more layers that are $3.964 \mathrm{~cm}, 3.530 \mathrm{~cm}, 3.156 \mathrm{~cm}$, and $4.543 \mathrm{~cm}$ thick. He then grinds off $4.521 \mathrm{~cm}$ from the top of the plate, then $1.215 \mathrm{~cm}$ more, and finally another $4.643 \mathrm{~cm}$. Find the new thickness of the plate.

Accepted Answer

A)  $15.803 \mathrm{~cm}$ 
B)  $22.754 \mathrm{~cm}$ 
C)  $1.654 \mathrm{~cm}$ 
D)  $11.282 \mathrm{~cm}$ 
A)  $15.803 \mathrm{~cm}$ 
B)  $22.754 \mathrm{~cm}$ 
C)  $1.654 \mathrm{~cm}$ 
D)  $11.282 \mathrm{~cm}$

Question 9

Multiply.
-$(-1)^{21}$

Accepted Answer

A)  -1 
B)  21 
C)  -21 
D)  1 
A)  -1 
B)  21 
C)  -21 
D)  1

Question 10

Multiply.
-$-2.7 \cdot(-18.5)$

Accepted Answer

A)  21.2 
B)  -21.2 
C)  49.95 
D)  -15.8 
A)  21.2 
B)  -21.2 
C)  49.95 
D)  -15.8

Question 11

Provide an appropriate response.
-Choose the expression that is equivalent to the following: $(8 x+5 y)\left(2 y^{3}\right)$

Accepted Answer

A)  $(8 x)+(5 y)\left(2 y^{3}\right)$ 
B)  $\left(8 x+2 y^{3}\right)(5 y)$ 
C)  $\left(2 y^{3}\right)(8 x+5 y)$ 
D)  $8 x+\left(5 y+2 y^{3}\right)$ 
A)  $(8 x)+(5 y)\left(2 y^{3}\right)$ 
B)  $\left(8 x+2 y^{3}\right)(5 y)$ 
C)  $\left(2 y^{3}\right)(8 x+5 y)$ 
D)  $8 x+\left(5 y+2 y^{3}\right)$

Question 12

Multiply.
-$\left(-\frac{8}{3}\right)\left(\frac{5}{2}\right)$

Accepted Answer

A)  $-\frac{15}{16}$ 
B)  $\frac{4}{3}$ 
C)  $-\frac{20}{3}$ 
D)  -13 
A)  $-\frac{15}{16}$ 
B)  $\frac{4}{3}$ 
C)  $-\frac{20}{3}$ 
D)  -13

Question 13

Substitute to find the value of the expression.
-Bill takes four times as long to do a job as Jose. Suppose t represents the time it takes Bill to do the job. Then $\mathrm{t} / 4$ represents the time it takes Jose. How long does it take Jose if it takes Bill 58 minutes?

Accepted Answer

A)  $62.00 \mathrm{~min}$ 
B)  $14.50 \mathrm{~min}$ 
C)  $232.00 \mathrm{~min}$ 
D)  $54.00 \mathrm{~min}$ 
A)  $62.00 \mathrm{~min}$ 
B)  $14.50 \mathrm{~min}$ 
C)  $232.00 \mathrm{~min}$ 
D)  $54.00 \mathrm{~min}$

Question 14

Find the absolute value.
-$|-8|$

Accepted Answer

A)  8 
B)  16 
C)  -8 
D)  0 
A)  8 
B)  16 
C)  -8 
D)  0

Question 15

Convert to decimal notation.
-$80 \%$

Accepted Answer

A)  0.8 
B)  8 
C)  0.08 
D)  800 
A)  0.8 
B)  8 
C)  0.08 
D)  800

Question 16

Perform the indicated operation and, if possible, simplify.
-$\frac{7}{9} \cdot \frac{7}{9}$

Accepted Answer

A)  $\frac{7}{9}$ 
B)  $\frac{49}{81}$ 
C)  1 
D)  $\frac{7}{243}$ 
A)  $\frac{7}{9}$ 
B)  $\frac{49}{81}$ 
C)  1 
D)  $\frac{7}{243}$

Question 17

Evaluate - (-x) for the given value of x.
-$\mathrm{x}=123$

Accepted Answer

A)  0 
B)  123 
C)  $\frac{1}{123}$ 
D)  -123 
A)  0 
B)  123 
C)  $\frac{1}{123}$ 
D)  -123

Question 18

Evaluate $-x$ for the given value of $x$.
-$x=-3.73$

Accepted Answer

A)  3 
B)  -3.73 
C)  0 
D)  3.73 
A)  3 
B)  -3.73 
C)  0 
D)  3.73

Question 19

Add. Do not use a number line except as a check.
-$2+-2$

Accepted Answer

A)  2 
B)  0 
C)  4 
D)  - 2 
A)  2 
B)  0 
C)  4 
D)  - 2

Question 20

Add. Do not use a number line except as a check.
-$-\frac{5}{6}+\frac{2}{3}$

Accepted Answer

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

Divide, if possible. - $\frac{-63}{9}$

Divide. - $\frac{1.5}{0.03}$

Insert < or $>$ to write a true statement. -0-------------- -4

Round to the requested decimal place. -1.258 (nearest hundredth)

Write the fraction in decimal notation. - $\frac{19}{12}$

Simplify. - $\frac{60 x y}{40 x y}$

Substitute to find the value of the expression. -Mary earns three times as much per week as Maureen. If $x$ represents the amount that Maureen earns per week, then $3 x$ represents the amount that Mary earns per week. How much does Mary earn per week if Maureen earns $\$ 345$ per week?

Multiply. - $(-1)^{21}$

Multiply. - $-2.7 \cdot(-18.5)$

Provide an appropriate response. -Choose the expression that is equivalent to the following: $(8 x+5 y)\left(2 y^{3}\right)$

Multiply. - $\left(-\frac{8}{3}\right)\left(\frac{5}{2}\right)$

Substitute to find the value of the expression. -Bill takes four times as long to do a job as Jose. Suppose t represents the time it takes Bill to do the job. Then $\mathrm{t} / 4$ represents the time it takes Jose. How long does it take Jose if it takes Bill 58 minutes?

Find the absolute value. - $|-8|$

Convert to decimal notation. - $80 \%$

Perform the indicated operation and, if possible, simplify. - $\frac{7}{9} \cdot \frac{7}{9}$

Evaluate - (-x) for the given value of x. - $\mathrm{x}=123$

Evaluate $-x$ for the given value of $x$ . - $x=-3.73$

Add. Do not use a number line except as a check. - $2+-2$

Add. Do not use a number line except as a check. - $-\frac{5}{6}+\frac{2}{3}$

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

Divide, if possible. - −639\frac{-63}{9}9−63​

Divide. - 1.50.03\frac{1.5}{0.03}0.031.5​

Insert < or >>> to write a true statement. -0-------------- -4

Round to the requested decimal place. -1.258 (nearest hundredth)

Write the fraction in decimal notation. - 1912\frac{19}{12}1219​

Simplify. - 60xy40xy\frac{60 x y}{40 x y}40xy60xy​

Substitute to find the value of the expression. -Mary earns three times as much per week as Maureen. If xxx represents the amount that Maureen earns per week, then 3x3 x3x represents the amount that Mary earns per week. How much does Mary earn per week if Maureen earns $345\$ 345$345 per week?

Multiply. - (−1)21(-1)^{21}(−1)21

Multiply. - −2.7⋅(−18.5)-2.7 \cdot(-18.5)−2.7⋅(−18.5)

Provide an appropriate response. -Choose the expression that is equivalent to the following: (8x+5y)(2y3)(8 x+5 y)\left(2 y^{3}\right)(8x+5y)(2y3)

Multiply. - (−83)(52)\left(-\frac{8}{3}\right)\left(\frac{5}{2}\right)(−38​)(25​)

Substitute to find the value of the expression. -Bill takes four times as long to do a job as Jose. Suppose t represents the time it takes Bill to do the job. Then t/4\mathrm{t} / 4t/4 represents the time it takes Jose. How long does it take Jose if it takes Bill 58 minutes?

Find the absolute value. - ∣−8∣|-8|∣−8∣

Convert to decimal notation. - 80%80 \%80%

Perform the indicated operation and, if possible, simplify. - 79⋅79\frac{7}{9} \cdot \frac{7}{9}97​⋅97​

Evaluate - (-x) for the given value of x. - x=123\mathrm{x}=123x=123

Evaluate −x-x−x for the given value of xxx . - x=−3.73x=-3.73x=−3.73

Add. Do not use a number line except as a check. - 2+−22+-22+−2

Add. Do not use a number line except as a check. - −56+23-\frac{5}{6}+\frac{2}{3}−65​+32​