Quiz about Rewriting Algebraic Expressions

Question 1

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

Accepted Answer

2a + 2b + 4

Answer

8a + 2b + 4

Answer

8ab

Answer

4ab + 4

Question 2

3x - 5x

Accepted Answer

-2x

Answer

2x

Answer

8x

Answer

15x2

Question 3

Simplify the expression: 3x + 2x

Accepted Answer

5x

Answer

x

Answer

6x

Answer

5

Question 4

-r -10r

Accepted Answer

-11r

Answer

11r

Answer

9r

Answer

-11

Question 5

Simplify the following expression:
a - 8 - 10

Accepted Answer

a - 18

Answer

2a - 18

Answer

a - 2

Answer

a + 18

Question 6

Simplify the following expression:
-9(14p - 8) - 4p

Accepted Answer

-130p + 72

Answer

130p - 72

Answer

122p - 72

Answer

-130p - 18

Question 7

Simplify the expression: -5(x + 4)

Accepted Answer

-5x - 20

Answer

5x + 4

Answer

-5x + 4

Answer

-5x + 20

Question 8

x + 2x

Accepted Answer

3x

Answer

2x2

Answer

Can't be simplified

Answer

3x + x

Question 9

Evaluate the expression. Let c = 3 d = 2
3c + 7d

Accepted Answer

23

Answer

27

Answer

21

Answer

29

Question 10

Evaluate the expression. Let a = 4
5a + 7a - 8

Accepted Answer

40

Answer

48

Answer

28

Answer

35

Question 11

3x + 8; x = 2

Accepted Answer

14

Answer

13

Answer

15

Answer

16

Question 12

Which one is the coefficient?
6f² - 9

Accepted Answer

6

Answer

f

Answer

2

Answer

9

Question 13

Which one is the constant?
5g³ + 2

Accepted Answer

2

Answer

5

Answer

g

Answer

3

Question 14

Which one is the variable?
3w + 2w - (-7w)

Accepted Answer

w

Answer

3

Answer

2

Answer

12

Question 15

How many terms are in the expression below:
-3c + 7d

Accepted Answer

two

Answer

one

Answer

three

Answer

four

Question 16

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

Accepted Answer

six

Answer

five

Answer

eight

Answer

nine

Question 17

Write the phrase as an expression:

twice a number increased by 8

Accepted Answer

2x + 8

Answer

2 + 8x

Answer

2(x + 8)

Answer

8(x + 2)

Question 18

eight plus triple the number of shirts
Let s = number of shirts

Accepted Answer

8 + 3s

Answer

8 + s

Answer

3s - 8

Answer

s(8 + 3)

Rewriting Algebraic Expressions

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