Question 1

Simplify.
-$\frac{3}{4}-\left(-\frac{1}{16}\right)+\frac{1}{2}-\frac{7}{8}$

Accepted Answer

A)  $\frac{5}{16}$ 
B)  $-\frac{5}{16}$ 
C)  $-\frac{1}{15}$ 
D)  $\frac{7}{16}$ 
A)  $\frac{5}{16}$ 
B)  $-\frac{5}{16}$ 
C)  $-\frac{1}{15}$ 
D)  $\frac{7}{16}$

Question 2

Translate to an algebraic expression.
-Alex had y dollars before spending $\$ 8.50$ for a book. How much did he have after the purchase?

Accepted Answer

A)  y $-\$ 8.50$ 
B)  $\$ 8.50 \mathrm{y}$ 
C)  $\$ 8.50+\mathrm{y}$ 
D)  $\$ 8.50$ - y 
A)  y $-\$ 8.50$ 
B)  $\$ 8.50 \mathrm{y}$ 
C)  $\$ 8.50+\mathrm{y}$ 
D)  $\$ 8.50$ - y

Question 3

Convert to fractional notation. Do not simplify.
-9.52

Accepted Answer

A)  $\frac{476}{100}$ 
B)  $\frac{1}{952}$ 
C)  $\frac{952}{100}$ 
D)  $\frac{1904}{100}$ 
A)  $\frac{476}{100}$ 
B)  $\frac{1}{952}$ 
C)  $\frac{952}{100}$ 
D)  $\frac{1904}{100}$

Question 4

Subtract.
--6 - (-16)

Accepted Answer

A)  -22 
B)  -6 
C)  10 
D)  -10 
A)  -22 
B)  -6 
C)  10 
D)  -10

Question 5

Insert \) to write a true statement.
-9.08 ---------9.03

Accepted Answer

A) $9.08>9.03$ B) $9.08<9.03$ A) $9.08>9.03$ B) $9.08<9.03$

Question 6

Multiply.
-$-4 \cdot(-4)$

Accepted Answer

A)  -16 
B)  -20 
C)  16 
D)  20 
A)  -16 
B)  -20 
C)  16 
D)  20

Question 7

Solve the problem.
-Housing sales for the month of May were up 19% from April. Express this percent as a fraction.

Accepted Answer

A)  $\frac{19}{1000}$ 
B)  $\frac{19}{100}$ 
C)  $\frac{81}{100}$ 
D)  $\frac{1}{19}$ 
A)  $\frac{19}{1000}$ 
B)  $\frac{19}{100}$ 
C)  $\frac{81}{100}$ 
D)  $\frac{1}{19}$

Question 8

Find the LCM using prime factorization.
-$45,56,150$

Accepted Answer

A)  2520 
B)  1050 
C)  1260 
D)  12,600 
A)  2520 
B)  1050 
C)  1260 
D)  12,600

Question 9

Remove parentheses and simplify.
-$6 \mathrm{x}-(4-4 \mathrm{x})$

Accepted Answer

A)  $6 x-8$ 
B)  $10 \mathrm{x}+4$ 
C)  $2 \mathrm{x}-4$ 
D)  $10 x-4$ 
A)  $6 x-8$ 
B)  $10 \mathrm{x}+4$ 
C)  $2 \mathrm{x}-4$ 
D)  $10 x-4$

Question 10

Find an equivalent expression without parentheses.
-$-(-9 x+7 y-17 z)$

Accepted Answer

A)  $9 x-7 y-17 z$ 
B)  $-9 x+7 y-17 z$ 
C)  $9 x+7 y-17 z$ 
D)  $9 x-7 y+17 z$ 
A)  $9 x-7 y-17 z$ 
B)  $-9 x+7 y-17 z$ 
C)  $9 x+7 y-17 z$ 
D)  $9 x-7 y+17 z$

Question 11

Solve the problem.
-Approximately $28.5 \%$ of high school students work after school. Express this percent as a fraction.

Accepted Answer

A)  $\frac{285}{1000}$ 
B)  $\frac{28.5}{1000}$ 
C)  $\frac{285}{10,000}$ 
D)  $\frac{285}{100}$ 
A)  $\frac{285}{1000}$ 
B)  $\frac{28.5}{1000}$ 
C)  $\frac{285}{10,000}$ 
D)  $\frac{285}{100}$

Question 12

Evaluate $-x$ for the given value of $x$.
-$x=1.711$

Accepted Answer

A)  1.711 
B)  3.1416 
C)  -1.711 
D)  - 3.1416 
A)  1.711 
B)  3.1416 
C)  -1.711 
D)  - 3.1416

Question 13

Add. Do not use a number line except as a check.
-$-\frac{6}{7}+\frac{5}{7}$

Accepted Answer

A)  $\frac{1}{7}$ 
B)  $-\frac{11}{7}$ 
C)  $-\frac{1}{7}$ 
D)  $\frac{11}{7}$ 
A)  $\frac{1}{7}$ 
B)  $-\frac{11}{7}$ 
C)  $-\frac{1}{7}$ 
D)  $\frac{11}{7}$

Question 14

Find the prime factorization of the number.
-252

Accepted Answer

A)  $2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 7$ 
B)  $2 \cdot 2 \cdot 2 \cdot 2 \cdot 7$ 
C)  $2 \cdot 2 \cdot 3 \cdot 3 \cdot 7$ 
D)  $3 \cdot 3 \cdot 3 \cdot 3 \cdot 7$ 
A)  $2 \cdot 2 \cdot 2 \cdot 3 \cdot 3 \cdot 7$ 
B)  $2 \cdot 2 \cdot 2 \cdot 2 \cdot 7$ 
C)  $2 \cdot 2 \cdot 3 \cdot 3 \cdot 7$ 
D)  $3 \cdot 3 \cdot 3 \cdot 3 \cdot 7$

Question 15

Insert \) to write a true statement.
--0.167-------------- $-1.667$

Accepted Answer

A)  $-{0.167}-1.667$ 
A)  $-{0.167}-1.667$

Question 16

Perform the indicated operation and, if possible, simplify.
-$\frac{2}{9} \cdot \frac{3}{8}$

Accepted Answer

A)  $\frac{1}{36}$ 
B)  $\frac{5}{17}$ 
C)  $\frac{27}{16}$ 
D)  $\frac{1}{12}$ 
A)  $\frac{1}{36}$ 
B)  $\frac{5}{17}$ 
C)  $\frac{27}{16}$ 
D)  $\frac{1}{12}$

Question 17

Solve the problem.
-If a garage charges $\$ 28$ for an oil change, how much will it take in if oil is changed on 34 cars?

Accepted Answer

A)  $\$ 68$ 
B)  $\$ 958$ 
C)  $\$ 952$ 
D)  $\$ 62$ 
A)  $\$ 68$ 
B)  $\$ 958$ 
C)  $\$ 952$ 
D)  $\$ 62$

Question 18

Subtract.
-$0.7-(-2.866)$

Accepted Answer

A)  2.166 
B)  2.006 
C)  3.666 
D)  3.566 
A)  2.166 
B)  2.006 
C)  3.666 
D)  3.566

Question 19

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-$\mathrm{x}(\mathrm{y} 9)$ as $9(\mathrm{xy})$

Accepted Answer

@#LAT-DLM& Using the associati

Question 20

Evaluate.
-$6.9^{2}$

Accepted Answer

A)  47.61 
B)  4.761 
C)  0.138 
D)  476.1 
A)  47.61 
B)  4.761 
C)  0.138 
D)  476.1

Simplify. - $\frac{3}{4}-\left(-\frac{1}{16}\right)+\frac{1}{2}-\frac{7}{8}$

Translate to an algebraic expression. -Alex had y dollars before spending $\$ 8.50$ for a book. How much did he have after the purchase?

Convert to fractional notation. Do not simplify. -9.52

Subtract. --6 - (-16)

Insert < or $>$ to write a true statement. -9.08 ---------9.03

Multiply. - $-4 \cdot(-4)$

Solve the problem. -Housing sales for the month of May were up 19% from April. Express this percent as a fraction.

Find the LCM using prime factorization. - $45,56,150$

Remove parentheses and simplify. - $6 \mathrm{x}-(4-4 \mathrm{x})$

Find an equivalent expression without parentheses. - $-(-9 x+7 y-17 z)$

Solve the problem. -Approximately $28.5 \%$ of high school students work after school. Express this percent as a fraction.

Evaluate $-x$ for the given value of $x$ . - $x=1.711$

Add. Do not use a number line except as a check. - $-\frac{6}{7}+\frac{5}{7}$

Find the prime factorization of the number. -252

Insert < or $>$ to write a true statement. --0.167-------------- $-1.667$

Perform the indicated operation and, if possible, simplify. - $\frac{2}{9} \cdot \frac{3}{8}$

Solve the problem. -If a garage charges $\$ 28$ for an oil change, how much will it take in if oil is changed on 34 cars?

Subtract. - $0.7-(-2.866)$

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. - $\mathrm{x}(\mathrm{y} 9)$ as $9(\mathrm{xy})$

Evaluate. - $6.9^{2}$

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

Simplify. - 34−(−116)+12−78\frac{3}{4}-\left(-\frac{1}{16}\right)+\frac{1}{2}-\frac{7}{8}43​−(−161​)+21​−87​

Translate to an algebraic expression. -Alex had y dollars before spending $8.50\$ 8.50$8.50 for a book. How much did he have after the purchase?

Convert to fractional notation. Do not simplify. -9.52

Subtract. --6 - (-16)

Insert < or >>> to write a true statement. -9.08 ---------9.03

Multiply. - −4⋅(−4)-4 \cdot(-4)−4⋅(−4)