Analyze/Solve Equations FIAB

Monica wants to join a gym.

Gym A: $20 joining fee and $40 monthly charge.

Gym B: No joining fee and a $45 monthly charge

Enter the number of months it will take for the total cost for both gyms to be equal.

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.8.c

• The solution is x=0

• The solution is the ordered pair (-5,-5)

• There is no solution since -5=-5 is a true statement.

• There are infinitely many solutions since -5=-5 is a true statement.

Tags

CCSS.MATH.CONTENT.8.EE.C.7.a

In an experiment, the temperature of a liquid at 16.9 degrees Celsius is decreasing at a rate of 2.3 degreed Celsius per minute and the temperature of a solid at 30.7 degrees Celsius is decreasing at a rate of 6.9 degrees Celsius per minute.

Enter the number of minutes it will take the liquid and solid to reach the same temperature.

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.8.b

• Only Luis's steps are correct to solve the equation.

• Both sets of steps are correct to solve the equation.

• Neither set of steps is correct to solve the equation.

• Only Emma's steps are correct to solve the equation.

Tags

CCSS.HSA.REI.A.1

The graph shown compares the rent Andrew and Dave pay for renting bikes from different stores.

After how many hours would the amount Andrew and Dave pay for the rentals be equal?

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.8.b

• There is no solution.

• There are infinitely many solutions.

• There is exactly one solution at (5, -8)

• There is exactly one solution at (3, 1)

Tags

CCSS.MATH.CONTENT.8.EE.C.8.b

Brad and Sally made a total of 31 cakes for the school bake sale. Sally made 7 fewer cakes than Brad.

Enter the number of cakes Brad made.

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.8.c

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.7.b

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C

Mathematical Equivalence

ON

Tags

CCSS.MATH.CONTENT.8.EE.C.7.b