U4: Solving Equations

Question 1

Addition and subtraction are ___ operations

Answer 1

Inverse

Question 2

Multiplication and division are ___ operation

Answer 2

Inverse

Question 3

The inverse of addition is ___

Answer 3

Subtraction

Question 4

The inverse of subtraction is ___

Answer 4

Addition

Question 5

The inverse of multiplication is ___

Answer 5

Division

Question 6

The inverse of division is ___

Answer 6

Multiplication

Question 7

Solving for x means getting x by ___

Answer 7

Itself

Question 8

If 2x = 10, what is x?

Answer 8

x = 5

Question 9

2x = 10

How do I get x by itself?

Answer 9

Divide both sides by 2

Question 10

If x + 9 = 15, what is x?

Answer 10

x = 6

Question 11

x + 9 = 15

How do I get x by itself?

Answer 11

Subtract 9 from both sides

Question 12

If x/3 = 8, what is x?

Answer 12

x = 24

Question 13

x/3 = 8

How do I get x by itself?

Answer 13

Multiply both sides by 3

Question 14

If x - 12 = 19, what is x?

Answer 14

x = 31

Question 15

x - 12 = 19

How do I get x by itself?

Answer 15

Add 12 to both sides

Question 16

3x, 5x, and -10x are all ___ ___ because they all contain an x

Answer 16

Like terms

Question 17

You can’t combine 3 and 5x because they are not ___ ___

Answer 17

Like terms

Question 18

In the order of operations acronym PEMDAS, what does P stand for?

Answer 18

Parentheses

Question 19

In the order of operations acronym PEMDAS, what does E stand for?

Answer 19

Exponents

Question 20

In the order of operations acronym PEMDAS, what does M stand for?

Answer 20

Multiplication

Question 21

In the order of operations acronym PEMDAS, what does D stand for?

Answer 21

Division

Question 22

In the order of operations acronym PEMDAS, what does A stand for?

Answer 22

Addition

Question 23

In the order of operations acronym PEMDAS, what does S stand for?

Answer 23

Subtraction