Quiz about Expressions / Equations

Question 1

Evaluate 5x , when x=7

Accepted Answer

35

Answer

30

Answer

40

Answer

45

Question 2

Evaluate 5x + 10 when x=3

Accepted Answer

25

Answer

12

Answer

26

Answer

20

Question 3

Which expressions is equivalent to 5 + x

Accepted Answer

x + 5

Accepted Answer

5+1x

Answer

5x

Answer

5x+1

Question 4

Evaluate $$\frac{10}{x}+y$$ if x=2 and y=6

Accepted Answer

11

Answer

10

Answer

9

Answer

12

Question 5

Evaluate $$5t\ -\ 3\ $$ when t= 6.5

Accepted Answer

29.5

Answer

29

Answer

32.5

Answer

31

Question 6

Solve for x. $$3x=18$$

Accepted Answer

x=6

Answer

x=4

Answer

x=5

Answer

x=0.6

Question 7

Solve for b. $$10\ +\ b\ =\ 45$$

Accepted Answer

35

Answer

30

Answer

24

Answer

14

Question 8

Which equation represents this situation? "Harry walked y km per day in a week for a total of 84km"

Accepted Answer

7y = 84

Accepted Answer

84/y = 7

Answer

84-y=7

Answer

y+7=84

Question 9

Solve for a. $$\frac{18}{a}=2$$

Accepted Answer

a=9

Answer

a=5

Answer

a=12

Answer

a=6

Question 10

Evaluate $$a^2+5$$ when a=10

Accepted Answer

105

Answer

100

Answer

1000

Answer

95

Question 11

Choose the two expressions which are equivalent.

Accepted Answer

$$a+3$$

Accepted Answer

$$a+2+1$$

Answer

$$3a$$

Answer

$$\frac{a}{3}$$

Question 12

If x=5 , which expression will have a value of 20

Accepted Answer

2x + 10

Answer

3x + 3

Answer

5x

Answer

3x + 8

Question 13

If r=10, which expression will have a value of 90?

Accepted Answer

$$10r\ -\ r$$

Answer

$$90r$$

Answer

$$r^2-5$$

Answer

$$r+5r$$

Question 14

Solve for b. $$\frac{4b}{2}=10$$

Accepted Answer

b=5

Answer

b=10

Answer

b=2

Answer

b=12

Question 15

Solve for d. $$\frac{d}{10}=100$$

Accepted Answer

1000

Answer

10

Answer

100

Answer

10 000

Expressions / Equations

15 questions

Evaluate 5x , when x=7

Evaluate 5x + 10 when x=3

Which expressions is equivalent to 5 + x

Which equation represents this situation? "Harry walked y km per day in a week for a total of 84km"

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