Question 1

Graph the numbers on a number line.
-$1,3,5,7$

Accepted Answer

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

Question 2

Subtract.
-$5.631-(-0.65)$

Accepted Answer

A)  3.660 
B)  6.281 
C)  6.381 
D)  4.981 
A)  3.660 
B)  6.281 
C)  6.381 
D)  4.981

Question 3

Write an equivalent expression. Use an associative law.
-$9(\mathrm{np})$

Accepted Answer

A)  $9(p n)$ 
B)  $9 n+9 p$ 
C)  $(9 n) p$ 
D)  $9(n+p)$ 
A)  $9(p n)$ 
B)  $9 n+9 p$ 
C)  $(9 n) p$ 
D)  $9(n+p)$

Question 4

Evaluate $-x$ for the given value of $x$.
-$x=2.237$

Accepted Answer

A)  -2.237 
B)  2.237 
C)  -3 
D)  -2 
A)  -2.237 
B)  2.237 
C)  -3 
D)  -2

Question 5

Evaluate $-x$ for the given value of $x$.
-$x=-3.3$

Accepted Answer

A)  $-\frac{1}{3.3}$ 
B)  0 
C)  3.3 
D)  -3.3 
A)  $-\frac{1}{3.3}$ 
B)  0 
C)  3.3 
D)  -3.3

Question 6

State the real number that corresponds to the situation.
-Sales at Andrea's Formal Wear Shop were $\$ 3300$ less this week than the sales last week.

Accepted Answer

A)  3300 
B)  -3300 
A)  3300 
B)  -3300

Question 7

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

Accepted Answer

A)  0 
B)  -1 
C)  1 
D)  -9 
A)  0 
B)  -1 
C)  1 
D)  -9

Question 8

Evaluate $-x$ for the given value of $x$.
-$x=-\frac{1}{102}$

Accepted Answer

A)  $-\frac{1}{102}$ 
B)  0 
C)  $\frac{1}{102}$ 
D)  102 
A)  $-\frac{1}{102}$ 
B)  0 
C)  $\frac{1}{102}$ 
D)  102

Question 9

State the real number that corresponds to the situation.
-One country exported $\$ 88,500,000$ more than it imported, giving it a positive trade balance.

Accepted Answer

A)  $-88,500,000$ 
B)  $88,500,000$ 
A)  $-88,500,000$ 
B)  $88,500,000$

Question 10

Insert  to write a true statement.
-3.3 ____-8.2

Accepted Answer

A) $3.3>-8.2$ B) $3.3<-8.2$ A) $3.3>-8.2$ B) $3.3<-8.2$

Question 11

Find the opposite, or additive inverse.
-$\frac{19}{5}$

Accepted Answer

A)  $\frac{5}{19}$ 
B)  $\frac{19}{5}$ 
C)  $-\frac{19}{5}$ 
D)  $-\frac{5}{19}$ 
A)  $\frac{5}{19}$ 
B)  $\frac{19}{5}$ 
C)  $-\frac{19}{5}$ 
D)  $-\frac{5}{19}$

Question 12

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.
-$3+(a+b)$ as $b+(3+a)$

Accepted Answer

The answer of Use the commutative and/or associative laws to...

Question 13

Multiply.
-$\left(-\frac{3}{7}\right) \cdot\left(-\frac{5}{9}\right) \cdot\left(\frac{1}{7}\right)$

Accepted Answer

A)  $\frac{5}{147}$ 
B)  -1 
C)  $\frac{1}{147}$ 
D)  $\frac{5}{21}$ 
A)  $\frac{5}{147}$ 
B)  -1 
C)  $\frac{1}{147}$ 
D)  $\frac{5}{21}$

Question 14

Write an equivalent expression. Use a commutative law.
-$y+3$

Accepted Answer

A)  y3 
B)  $3(y+1)$ 
C)  $3 y$ 
D)  $3+y$ 
A)  y3 
B)  $3(y+1)$ 
C)  $3 y$ 
D)  $3+y$

Question 15

Evaluate $-(-x)$ for the given value of $x$.
-$x=-\frac{1}{49}$

Accepted Answer

A)  -49 
B)  $\frac{1}{49}$ 
C)  $-\frac{1}{49}$ 
D)  49 
A)  -49 
B)  $\frac{1}{49}$ 
C)  $-\frac{1}{49}$ 
D)  49

Question 16

Multiply.
-$-8 \cdot(-10) \cdot(-15)$

Accepted Answer

A)  -1200 
B)  95 
C)  -33 
D)  1200 
A)  -1200 
B)  95 
C)  -33 
D)  1200

Question 17

Find the reciprocal, if it exists.
--2

Accepted Answer

A)  $\frac{1}{2}$ 
B)  $-\frac{1}{2}$ 
C)  0 
D)  2 
A)  $\frac{1}{2}$ 
B)  $-\frac{1}{2}$ 
C)  0 
D)  2

Question 18

Multiply.
-$(-1)^{26}$

Accepted Answer

A)  1 
B)  26 
C)  -1 
D)  -26 
A)  1 
B)  26 
C)  -1 
D)  -26

Question 19

Provide an appropriate response.
-Choose the expression that is equivalent to the following: $20 x+5 y$

Accepted Answer

A)  $25 x y$ 
B)  $5(4 x+5 y)$ 
C)  $5(4 x+y)$ 
D)  $5(15 x+y)$ 
A)  $25 x y$ 
B)  $5(4 x+5 y)$ 
C)  $5(4 x+y)$ 
D)  $5(15 x+y)$

Question 20

Translate the phrase to an algebraic expression.
-$x$ increased by four

Accepted Answer

A)  $4 x$ 
B)  $x+4$ 
C)  $x-4$ 
D)  4 
A)  $4 x$ 
B)  $x+4$ 
C)  $x-4$ 
D)  4

Graph the numbers on a number line. - $1,3,5,7$

Subtract. - $5.631-(-0.65)$

Write an equivalent expression. Use an associative law. - $9(\mathrm{np})$

Evaluate $-x$ for the given value of $x$ . - $x=2.237$

Evaluate $-x$ for the given value of $x$ . - $x=-3.3$

State the real number that corresponds to the situation. -Sales at Andrea's Formal Wear Shop were $\$ 3300$ less this week than the sales last week.

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

Evaluate $-x$ for the given value of $x$ . - $x=-\frac{1}{102}$

State the real number that corresponds to the situation. -One country exported $\$ 88,500,000$ more than it imported, giving it a positive trade balance.

Insert $<$ or $>$ to write a true statement. -3.3 ____-8.2

Find the opposite, or additive inverse. - $\frac{19}{5}$

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. - $3+(a+b)$ as $b+(3+a)$

Multiply. - $\left(-\frac{3}{7}\right) \cdot\left(-\frac{5}{9}\right) \cdot\left(\frac{1}{7}\right)$

Write an equivalent expression. Use a commutative law. - $y+3$

Evaluate $-(-x)$ for the given value of $x$ . - $x=-\frac{1}{49}$

Multiply. - $-8 \cdot(-10) \cdot(-15)$

Find the reciprocal, if it exists. --2

Multiply. - $(-1)^{26}$

Provide an appropriate response. -Choose the expression that is equivalent to the following: $20 x+5 y$

Translate the phrase to an algebraic expression. - $x$ increased by four

Whole Numbers

Fraction Notation

Decimal Notation

Percent Notation

Data, Graphs, and Statistics

Geometry

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

Converting Units of Measurement

Filters

Exam 7: Introduction to Real Numbers and Algebraic Expressions

Graph the numbers on a number line. - 1,3,5,71,3,5,71,3,5,7

Subtract. - 5.631−(−0.65)5.631-(-0.65)5.631−(−0.65)

Write an equivalent expression. Use an associative law. - 9(np)9(\mathrm{np})9(np)

Evaluate −x-x−x for the given value of xxx . - x=2.237x=2.237x=2.237

Evaluate −x-x−x for the given value of xxx . - x=−3.3x=-3.3x=−3.3

State the real number that corresponds to the situation. -Sales at Andrea's Formal Wear Shop were $3300\$ 3300$3300 less this week than the sales last week.

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

Evaluate −x-x−x for the given value of xxx . - x=−1102x=-\frac{1}{102}x=−1021​

State the real number that corresponds to the situation. -One country exported $88,500,000\$ 88,500,000$88,500,000 more than it imported, giving it a positive trade balance.

Insert <<< or >>> to write a true statement. -3.3 ____-8.2

Find the opposite, or additive inverse. - 195\frac{19}{5}519​

Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason. - 3+(a+b)3+(a+b)3+(a+b) as b+(3+a)b+(3+a)b+(3+a)

Multiply. - (−37)⋅(−59)⋅(17)\left(-\frac{3}{7}\right) \cdot\left(-\frac{5}{9}\right) \cdot\left(\frac{1}{7}\right)(−73​)⋅(−95​)⋅(71​)

Write an equivalent expression. Use a commutative law. - y+3y+3y+3

Evaluate −(−x)-(-x)−(−x) for the given value of xxx . - x=−149x=-\frac{1}{49}x=−491​

Multiply. - −8⋅(−10)⋅(−15)-8 \cdot(-10) \cdot(-15)−8⋅(−10)⋅(−15)