Quiz about Unit 2 Quiz Review - Expressions & Equations

Question 1

What is the coefficient in this expression? 5c + 2

Accepted Answer

5

Answer

5c

Answer

c

Answer

2

Question 2

An expression does NOT have an

Accepted Answer

equal sign

Answer

operation sign

Answer

terms

Answer

variables

Question 3

What is the constant in this expression? 5c + 2

Accepted Answer

2

Answer

c

Answer

5

Answer

5c

Question 4

What is the variable in this expression? 5c + 2

Accepted Answer

c

Answer

5

Answer

5c

Answer

2

Question 5

Translate this phrase into an algebraic expression: 6 less than x

Accepted Answer

x - 6

Answer

6 = x

Answer

6 + x

Answer

6/x

Question 6

Combination of numbers, operations, and variables which can be evaluated for a given value of the variables

Accepted Answer

expression

Answer

equation

Answer

term

Answer

coefficient

Question 7

A letter used to represent a number value in an expression or an equation

Accepted Answer

variable

Answer

term

Answer

coefficient

Answer

constant

Question 8

A part of a mathematical expression separated by addition or subtraction symbols

Accepted Answer

term

Answer

constant

Answer

equation

Answer

variable

Question 9

A number that does not change (it stands alone without any variable attached)

Accepted Answer

constant

Answer

coefficient

Answer

variable

Answer

term

Question 10

A number used to multiply a variable. It is the number "attached" to a variable.

Accepted Answer

coefficient

Answer

constant

Answer

term

Answer

expression

Question 11

In 8r - 3 , the COEFFICIENT is ___

Accepted Answer

8

Answer

r

Answer

-

Answer

3

Question 12

In 8r + 3 , the CONSTANT is ___

Accepted Answer

3

Answer

8

Answer

r

Answer

+

Question 13

In 8r - 3 , the VARIABLE is ___

Accepted Answer

r

Answer

8

Answer

-

Answer

3

Question 14

2 + 1 is an example of an...

Accepted Answer

expression

Answer

equation

Question 15

2 + 1 = 3 is an example of an...

Accepted Answer

equation

Answer

expression

Question 16

3y = -15 is an example of an...

Accepted Answer

equation

Answer

expression

Question 17

3 + 1= 4 is an example of

Accepted Answer

a numerical equation

Answer

a numerical expression

Answer

an algebraic expression

Answer

an algebraic equation

Question 18

3y + 1= 10 is an example of

Accepted Answer

an algebraic equation

Answer

a numerical expression

Answer

a numerical equation

Answer

an algebraic expression

Question 19

11b+7=40

Accepted Answer

3

Answer

2

Answer

1

Answer

4

Question 20

When solving an equation, our goal is to:

Accepted Answer

find the unknown value.

Answer

bake cookies.

Answer

use a calculator.

Answer

eat lunch.

Question 21

Solve  9 + 3x = 10

Accepted Answer

1/3

Answer

2/3

Answer

-1/3

Answer

4

Question 22

4x + 7 = 23

Accepted Answer

x = 4

Answer

x = 16

Answer

x = 9

Answer

x = 12

Question 23

Solve   -5t + 9 = 24

Accepted Answer

-3

Answer

3

Answer

12

Question 24

What is the first step to solve this equation:
11 - 3x = 44

Accepted Answer

Subtract 11 from both sides

Answer

Add 3 to both sides

Answer

Add 11 to both sides

Answer

Divide 3 on both sides.

Question 25

2(2x - 1) = 10

Accepted Answer

3

Answer

2

Answer

6

Answer

2.25

Question 26

63 = 7(1 + 4b)

Accepted Answer

2

Answer

2.25

Answer

2.5

Answer

14

Question 27

Solve: 3(x-4) = -3

Accepted Answer

3

Answer

-3

Answer

5

Answer

-5

Question 28

Tim is saving money to buy a pair of hockey skates that cost $289. For the past 6 weeks, he has saved $7 each week. How much money does Tim still need to save?

Accepted Answer

247

Answer

276

Answer

302

Answer

283

Question 29

The shirt shack has 438 shirts. Then they receive more shirts. The shirts come in 4 different colors. There are 8 shirts of each color. How many shirts does the store now have?

Accepted Answer

470

Answer

450

Answer

438

Answer

446

Question 30

Nima is training for a bike race. During the first three weeks in April she rode a total of 176 miles. During the last week in April, she rode 9 miles each day for 7 days. How many miles in all did Nima ride in April?

Accepted Answer

239

Answer

192

Answer

591

Answer

160

Question 31

A zoo names an elephant Tiny. On Saturday, Tiny ate 152 pounds of food. On Sunday he ate 12 more pounds of food than he did on Saturday. How many pounds of food did Tiny eat that weekend?

Accepted Answer

316

Answer

164

Answer

140

Answer

292

Question 32

In this soccer season, Emma has scored 1 more than twice the number of Nick's goals.  If Emma has scored 15 goals, which equation can be used to find x, the number of Nick's goals?

Accepted Answer

2x + 1 = 15

Answer

x - 15 = 1

Answer

x + 1 = 15

Answer

x + 1 = x + 15

Question 33

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112?

Accepted Answer

14h = 112

Answer

14 / h = 112

Answer

h + 14 = 112

Answer

h - 14 = 112

Question 34

A taxi charges $3, plus $1.50 for each mile traveled.  Mr. Lewis rode in the taxi from his home to the airport and was charged $30.  How many miles does Mr. Lewis live from the airport?

Accepted Answer

18 miles

Answer

20 miles

Answer

22 miles

Question 35

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

Accepted Answer

7x + 35 = 63

Answer

7x = 63

Answer

7x - 35 = 63

Answer

35x + 7 = 63

Question 36

Scott works on cars. He charges $35 for each car plus $7 per hour.
The correct equation was 7x + 35 = 63.
So, how many hours did he work on Kylie's car if her bill was $63?

Accepted Answer

x = 4

Answer

x = 5

Answer

x = 3

Answer

x = 4.5

Question 37

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each.
The correct equation was .50x + 20 = 35.
So, how many tickets did she buy?

Accepted Answer

x = 30

Answer

x = 25

Answer

x = 35

Answer

x = 31

Question 38

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

Accepted Answer

4m - 8

Answer

8 - 4m

Answer

8m - 4

Answer

8m + 4

Question 39

Translate the sentence into an equation.
Seven subtracted from n is 18

Accepted Answer

n - 7 = 18

Answer

n + 7 = 18

Answer

7 - n = 18

Answer

n + 7 = 18n

Question 40

Translate the sentence into an equation:
Four more than six times a number is 18.

Accepted Answer

6x + 4 = 18

Answer

4 + 6x = 18

Answer

4x + 6 = 18

Answer

not enough info

Question 41

How would you translate
x - 5 = 12 into words?

Accepted Answer

Five less than x is 12.

Answer

x - 5 = 12

Answer

The product of x and 5 is twelve

Answer

x less than 5 is 12

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