Quiz about Unit 3 Review-Expression, Equations, Inequalities

Question 1

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

Accepted Answer

3x, -9x

Answer

7, 24y

Answer

3x, 9x

Answer

3x, -9x, 2x²

Question 2

Simplify by combining like terms:
5a + 2b - 3a + 4

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 3

Simplify by combining like terms:
4x² - 3x + 11 -2x

Accepted Answer

4x² - 5x + 11

Answer

11x + 11

Answer

16x² - 5x + 11

Answer

10x2

Question 4

Simplify by combining like terms:
5a + 2b - 3a + 4

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 5

-r - 10r

Accepted Answer

-11r

Answer

11r

Answer

9r

Answer

-11

Question 6

5(a + 6)

Accepted Answer

5a + 30

Answer

5a + 6

Answer

a + 30

Answer

5a - 30

Question 7

2(c - 8)

Accepted Answer

2c - 16

Answer

2c + 16

Answer

2c - 8

Answer

c - 16

Question 8

-3(2c - 5)

Accepted Answer

-6c + 15

Answer

-6c - 15

Answer

6c + 15

Answer

6c - 15

Question 9

-4(k - 7)

Accepted Answer

-4k + 28

Answer

-4k - 28

Answer

4k + 28

Answer

4k - 28

Question 10

2(3v - 8)

Accepted Answer

6v-16

Answer

6v-8

Answer

6v-6

Answer

6v+8

Question 11

Solve the equation:
-5x = 25

Accepted Answer

x = -5

Answer

x = 20

Answer

x = -20

Answer

x = 5

Question 12

19  + a  =  -50

Accepted Answer

a =  -69

Answer

a = -950

Answer

a = -31

Answer

a = -50/19

Question 13

x - 8 = -5

Accepted Answer

3

Answer

13

Answer

-13

Answer

-3

Question 14

Who is this?

Accepted Answer

Chewbacca

Answer

Mr. Wookiee

Answer

Hans Solo

Answer

Darth Vader

Question 15

Solve for x:

Accepted Answer

x = 10

Answer

x = 20

Answer

x = 7

Answer

x = 3

Question 16

What is the inverse operation needed to solve for p?
765 = p - 254

Accepted Answer

addition

Answer

subtraction

Answer

multiplication

Answer

division

Question 17

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 18

5x+4=-6

Accepted Answer

-2

Answer

2

Answer

10

Answer

15

Question 19

Solve for w:
-6w + 1 = -11

Accepted Answer

2

Answer

1.2

Answer

12

Answer

-2

Question 20

x/5 - 13 = 20

Accepted Answer

165

Answer

145

Answer

180

Answer

190

Question 21

WRITE AN EQUATION

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

Accepted Answer

10+7x=24

Answer

24-10=7x

Answer

24+7x=10

Answer

10+x=14

Question 22

WRITE AN EQUATION
Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

Accepted Answer

0.5x+4=12

Answer

x+4=12

Answer

12-4=x

Answer

12-4=0.5x

Question 23

Natalie is a softball coach. She has a pitching private lesson with Kasey. Kasey's mom pays Natalie $11 per hour plus a $6 tip. Write an equation that represents this scenario if the total cost was $39.

Accepted Answer

11x + 6 = 39

Answer

11x - 6 = 39

Answer

11 + 6x = 39

Answer

66x = 39

Question 24

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. Write an equation that represents this scenario if she spends $35 in all.

Accepted Answer

.50x + 20 = 35

Answer

.50x = 35

Answer

.50 + 20x = 35

Answer

.50x - 20 = 35

Question 25

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 26

In an equation or inequality, you want to get the variable...

Accepted Answer

isolated (by itself)

Answer

on one side

Answer

to disappear

Question 27

What are two solutions to x < 8?

Accepted Answer

0.8, 5.9

Answer

8.6, 7.9

Answer

11, 16

Answer

12, 7.1

Question 28

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 29

Solve
-5m < 10

Accepted Answer

m > -2

Answer

m < -2

Answer

m < -50

Answer

m > -50

Question 30

Name that soda

Accepted Answer

Pepsi

Answer

Sprite

Answer

Coke

Answer

Dr. Pepper

Question 31

Solve the inequality.
-3w - 2 < -17

Accepted Answer

w > 5

Answer

w < 7.67

Answer

w < 5

Answer

w < 6.33

Question 32

3 (m + 7) < 28

Accepted Answer

m < 7 / 3

Answer

m < 3 / 7

Answer

m < 7

Answer

m < 21

Question 33

5h-6-h+10=12

Accepted Answer

h=2

Answer

h=12

Answer

h=0

Answer

h=5

Question 34

3(s+2)-s=38

Accepted Answer

s=16

Answer

s=3

Answer

s=38

Answer

s=1

Question 35

-9a - 1 < 26

Accepted Answer

a>-3

Answer

a<-3

Answer

a<3

Answer

a>3

Unit 3 Review-Expression, Equations, Inequalities

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