Writing Equations

Alina has $500 in her bank account. Every week she withdraws $45. Write an equation where x represents the number of weeks and y represents the amount of money in her bank account.

Mathematical Equivalence

ON

A submarine submerges into the water at a rate of 25 meters per second. Write an equation where x represents the seconds and y represents the meters submerged.

Mathematical Equivalence

ON

Timmy owes Martha $200. Every day he pays her $5 Write an equation where x represents the number of days and y represents the money.

Mathematical Equivalence

ON

Matthew drinks 4 bottles of milk every day. Write an equation where x represents the number of days and y is the total number of bottles he drinks.

Mathematical Equivalence

ON

Martin spent $45 on a video game. Every week his parents give him $50 for doing his homework. Write an equation where x represents the number of weeks and y represents the amount of money he has.

Mathematical Equivalence

ON

Melanie rented a kayak at the beach for $3.50 per hour. Write an equation where x represents the number of hours and y represents the money spent.

Mathematical Equivalence

ON

Verizon charges clients $40 per cellphone and a one time fee of $15. If you were to get an account with them and need 5 phones in service, how much would you pay? Show your work in the space provided.

Last weekend Arlo went to the fair. Every ride he went on cost him 4 tickets. If Arlo went on 13 rides, how many tickets did he use?

Stuart owes his mom $75, if he starts paying her $3 back every week. How long would it take him to pay her back?

Linear relationships create​ (a)   . Non-linear relationships create ​ (b)   .

• straight lines
• curved graphs