Equations Study Guide

What is the difference between an algebraic expression and an equation?

• Algebraic expressions do not have variables, but equations do have variables

• Expressions and equations are not different

• Expressions do not have an equal sign and equations need to have an equal sign

• Expressions need to have an equal sign and equations do not have an equal sign

Tags

CCSS.6.EE.A.4

What are the two basic rules for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

• Negative signs can be ignored

• Always start on the left side, regardless of where the variable is

• Always do the opposite operation

Tags

CCSS.6.EE.B.7

What do you call the number in front of a variable that is being multiplied?

• Constant

• Variable

• Coefficient

• Equation

Tags

CCSS.6.EE.A.2B

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.HSA.REI.A.1

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.4.NBT.B.6

One way to be certain of your work and having the correct solution is to what?

• Isolate the variable

• Inverse operations

• Opposite

• Check your solution

Tags

CCSS.7.EE.B.4A

To check your solution. You do what first?

• Isolate the variable

• Opposite

• Substitute the variable with the answer

• Use the "Golden Rule"

Tags

CCSS.6.EE.B.5

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

y + 8 = 20

• 10
• 11
• 12
• 13

Tags

CCSS.6.EE.B.7