Quiz about Solving Equations

Question 1

Solve for the variable

3x=-27

Accepted Answer

x=-9

Answer

x=9

Answer

x=-30

Answer

x=-24

Question 2

Translate into an expression:

two more than three times x

Accepted Answer

2+3x

Answer

3x-2

Answer

2>3x

Answer

2(3x)

Question 3

Solve for d:

-7(6 + d) = 49

Accepted Answer

-13

Answer

13

Answer

1

Answer

-1

Question 4

What is the first step to complete when solving this equation?

10 - 3y = 4

Accepted Answer

Subtract 10

Answer

Add 10

Answer

Add 3

Answer

Divide by -3

Question 5

Solve for b:

.5b + 4 = 20

Accepted Answer

32

Answer

8

Answer

48

Answer

24

Question 6

Translate:

Four times a number plus six is 30.

Accepted Answer

4x + 6 = 30

Answer

4 + 6 = 30

Answer

x + 4 times 6 = 30

Answer

30 = 4x

Question 7

Which equation has x = 2 as a solution?

Accepted Answer

11 + x = 13

Answer

3 + x = 10

Answer

4x = 32

Answer

5x =25

Question 8

Solve for y:

16 = - 4(y + 3)

Accepted Answer

- 7

Answer

7

Answer

6

Answer

- 6

Question 9

Solve for x:

8x - 8 = -4x + 16

Accepted Answer

x = 2

Answer

x = 8

Answer

x = 16

Answer

x = 24

Question 10

Solve for x:

10x + 9 = 4x - 9

Accepted Answer

x = -3

Answer

x = 0

Answer

x = 3

Answer

x = -18

Question 11

Solve for x:

4(1 - x) + 3x = -2(x + 1)

Accepted Answer

x = -6

Answer

x = 6

Answer

x = 3

Question 12

Solve for x:

6x + 1 = -6(1 - x)

Accepted Answer

No Solution

Answer

x = 1

Answer

x = -6

Answer

Infinitely Many Solutions

Question 13

Solve for r:

4(3r + 4) = -8(2r + 5)

Accepted Answer

r = -2

Answer

r = -6

Answer

Infinitely Many Solutions

Answer

No Solution

Question 14

Why do you have to do the same thing to both sides of an equation when solving for the variable?

Accepted Answer

To keep both sides balanced

Answer

To maintain equality

Answer

Because it's fun

Answer

You don't have to

Question 15

Solve:

7(1 - y) = -3(y - 2)

Accepted Answer

y = 1/4

Answer

y = 4

Answer

y = 5

Question 16

Solve for x:

3x - x + 2 = 4(2x - 1)

Accepted Answer

x = 1

Answer

infinite solutions

Answer

x = -1

Answer

no solution

Question 17

Which equation has a solution of x = 1?

Accepted Answer

5x - 2 = 3

Answer

2x + 1 = 12

Answer

x + 1 = x - 1

Answer

5 - x = 6

Question 18

At Joe's Clown Car Rental Agency, renting a car costs a one time fee of $35 plus $0.75 for every mile it is driven. Which of the equations below would be the correct if it costs Melissa $105 to rent a car?

Accepted Answer

105 = 0.75x + 35

Answer

105 = x(35 + 0.75)

Answer

105 = 35x + 0.75

Answer

105 = 0.75(x + 35)

Question 19

Paul is 4 years more than twice the age of his brother Martin.  The sum of their ages is 52, write and solve an equation to find out how old each brother is.

Accepted Answer

4 + 2m + m = 52; Martin is 16 and Paul is 36

Answer

4 + 2m = 52; Martin in 24 and Paul is 52

Answer

4 + 2m; Martin is 52 and Paul is 24

Answer

4 + 2m + m = 52; Martin is 36 and Paul is 16

Question 20

Distributing means to _________ the number in front of the parenthesis with terms inside the parenthesis.

Accepted Answer

Multiply

Answer

Add

Answer

Subtract

Answer

Divide

Solving Equations

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