Question 1

Subtract.
-$-19-(-5)$

Accepted Answer

A)  -14 
B)  14 
C)  24 
D)  -24

Question 2

Solve the problem.
-The two charts show the weight gain of some people and the weight loss of other people. Use the information given to answer the question below.

What is the difference between the weight gain of Carl and the weight loss of Don?

Accepted Answer

A)  1263 grams 
B)  -1263 grams 
C)  4653 grams 
D)  -4653 grams

Question 3

Convert to decimal notation.
-$\frac{29}{99}$

Accepted Answer

A)  $0.2 \overline{9}$ 
B)  0.29 
C)  $0 . \overline{292}$ 
D)  $0 . \overline{29}$

Question 4

Insert  to write a true statement.
-$-\frac{5}{4}$____ $-\frac{3}{4}$

Accepted Answer

A)  $-\frac{5}{4}>-\frac{3}{4}$ 
B)  $-\frac{5}{4}<-\frac{3}{4}$

Question 5

Multiply.
-$-13 \cdot(-13)$

Accepted Answer

A)  -169 
B)  169 
C)  182 
D)  -182

Question 6

State the real number that corresponds to the situation.
-During one year, 25 employees started work at Newline Manufacturing Company.

Accepted Answer

A)  -25 
B)  25

Question 7

Divide.
-$\frac{1}{0.02}$

Accepted Answer

A)  0.98 
B)  50 
C)  $\frac{1}{50}$ 
D)  9.8

Question 8

Factor. Check by multiplying.
-$2 m-4 n+10$

Accepted Answer

A)  $4(2 m-n+10)$ 
B)  $2(m-2 n+10)$ 
C)  $2(m-4 n+10)$ 
D)  $2(m-2 n+5)$

Question 9

State the real number that corresponds to the situation.
-In one state, the highest point is 5234 feet above sea level.

Accepted Answer

A)  -5234 
B)  5234

Question 10

Write an equivalent expression. Use an associative law.
-$a+(b+2)$

Accepted Answer

A)  $a+(2+b)$ 
B)  $(b+2)+a$ 
C)  $(a+b)+2$ 
D)  $a(b+2)$

Question 11

Convert to decimal notation.
-$-\frac{13}{10}$

Accepted Answer

A)  -2.6 
B)  $-1 . \overline{3}$ 
C)  -1.3 
D)  -0.13

Question 12

Multiply.
-$-0.4 \cdot(-12.6)$

Accepted Answer

A)  -13 
B)  13 
C)  5.04 
D)  -12.2

Question 13

Simplify.
-$30+15 \cdot 23-(-5)$

Accepted Answer

A)  380 
B)  1040 
C)  73 
D)  1030

Question 14

Factor. Check by multiplying.
-$2+12 a+8 b$

Accepted Answer

A)  $2(1+6 a+4 b)$ 
B)  $12(1+a+b)$ 
C)  $2(0+6 a+4 b)$ 
D)  $2(1+12 a+8 b)$

Exam 7: Introduction to Real Numbers and Algebraic Expressions

Subtract. - $-19-(-5)$

Solve the problem. -The two charts show the weight gain of some people and the weight loss of other people. Use the information given to answer the question below. What is the difference between the weight gain of Carl and the weight loss of Don?

Convert to decimal notation. - $\frac{29}{99}$

Insert $<$ or $>$ to write a true statement. - $-\frac{5}{4}$ ____ $-\frac{3}{4}$

Multiply. - $-13 \cdot(-13)$

State the real number that corresponds to the situation. -During one year, 25 employees started work at Newline Manufacturing Company.

Divide. - $\frac{1}{0.02}$

Factor. Check by multiplying. - $2 m-4 n+10$

State the real number that corresponds to the situation. -In one state, the highest point is 5234 feet above sea level.

Write an equivalent expression. Use an associative law. - $a+(b+2)$

Convert to decimal notation. - $-\frac{13}{10}$

Multiply. - $-0.4 \cdot(-12.6)$

Simplify. - $30+15 \cdot 23-(-5)$

Factor. Check by multiplying. - $2+12 a+8 b$

Exam 7: Introduction to Real Numbers and Algebraic Expressions

Subtract. - −19−(−5) -19-(-5) −19−(−5)

Solve the problem. -The two charts show the weight gain of some people and the weight loss of other people. Use the information given to answer the question below. What is the difference between the weight gain of Carl and the weight loss of Don?

Convert to decimal notation. - 2999\frac{29}{99}9929​

Insert <<< or >>> to write a true statement. - −54-\frac{5}{4}−45​ ____ −34-\frac{3}{4}−43​

Multiply. - −13⋅(−13) -13 \cdot(-13) −13⋅(−13)

State the real number that corresponds to the situation. -During one year, 25 employees started work at Newline Manufacturing Company.

Divide. - 10.02\frac{1}{0.02}0.021​

Factor. Check by multiplying. - 2m−4n+102 m-4 n+102m−4n+10