Solving Two-Step Equations with Rationals

What is a variable in an equation?

• The number being multiplied by the variable

• A quantity represented by a letter

• A mathematical operation

• A fixed term that doesn't change

What does the coefficient in an equation represent?

• The number being multiplied by the variable

• The letter used to represent a quantity

• The result of an equation

• A fixed number without a variable

What is a constant in an equation?

• The coefficient of the variable

• A term without a variable

• The operation used to solve the equation

• A variable that can change

How do you isolate the variable in a two-step equation?

• Both A and B

• By multiplying or dividing by the coefficient

• By adding or subtracting the constant term

• By changing the variable

What is the reciprocal of 1/2?

• 2

• 1/4

• 2/1

• 1/2

If 1/2 X minus 8 equals 12, what is X?

• 32

• 40

• 24

• 16

What operation is used to remove a constant being subtracted from a variable?

• Division

• Multiplication

• Addition

• Subtraction

If 3 plus 3/4 X equals 24, what is X?

• 32

• 28

• 21

• 24

What is the first step in solving a two-step equation?

• Simplify the equation

• Remove the coefficient

• Remove the constant term

• Isolate the variable

In the equation 5D + 5.75 = 20.75, what does D represent?

• The total cost

• The cost of one drink

• The cost of popcorn

• The number of drinks