Linear Equation Application Part 1

​Applications of Linear Functions

​Destiny needs to save $200 for a new phone. She saves the same amount of money each week, as shown in the graph. What is the weekly rate at which she saves money?

Multiple Choice

What is the weekly rate (slope) of the graph?

• 20

• 200

• 10

• 100

Multiple Choice

How much does Joanna save a week?

• $20

• $15

• $25

• $30

​A pizza oven is being preheated to 450 degrees. It increases temperature at a constant rate until the oven is preheated, as shown in the table. Which equation represents the situation shown?

Multiple Choice

A pizza oven is being preheated to 450 degrees. It increases

temperature at a constant rate until the oven is preheated, as shown

in the table. Which equation represents the situation shown?

• 𝑦=35𝑥

• 𝑦=35𝑥+100

• 𝑦=100𝑥

• 𝑦=70𝑥+100

Multiple Choice

Jim mixes red and yellow paint to paint his bedroom. He mixes the

amounts of paint proportionally, as shown in the graph. Which

equation represents the relationship shown?

• $$𝑦=\frac{1}{4}x$$

• $$𝑦=\frac{1}{4}𝑥+15$$

• 
  $$𝑦=\frac{1}{3}𝑥$$

• $$y=3x$$