Keeping Equations True

To keep equations true, whatever I do to one side of the equation, I must do to the other side.

• True

• False

True or False

16 + 4 = 16 + 4

• True

• False

True or False

25 - 5 = 25 - 5

• True

• False

If I subtract 3 from one side, I HAVE to subtract 3 from the other side to keep the equation true?

• True

• False

What does the y represent in this equation?

• input

• rise over run

• starting point

• output

What does the x in this equation represent?

• CoP

• input

• CROC

• unit rate

Write 'True' or 'False'
An algebraic statement becomes an equation when it equals something

• TRUE

• FALSE

Write 'True' or 'False'

An algebraic statement becomes an equation when it equals something

• FALSE

• TRUE

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill? The equation is y=0.20x+15. What does the x mean?

• amount of minutes

• total cost

• cost per minute

• variable

• flat fee

A letter or symbol that represents an unknown value is called ______________.

• Variable

• Radicand

• Coefficient

• Constant