Linear Functions and Slope

Determine if the following are linear functions. If not, explain why. (1 point each)

Calculate the missing coordinate. Show all your work. Circle your answers. (1-3 points each) m = 2 (-6, y₁) and (-2, 4)

Calculate the missing coordinate. Show all your work. Circle your answers. (1-3 points each) m = -¾ (5, 2) and (x₂, 6)

Given the following statements, calculate the rate of change. Make sure to label your units. (2 points each) Johnny weighed 60 pounds in 2015, and he weighed 78 pounds in 2021.

Given the following statements, calculate the rate of change. Make sure to label your units. (2 points each) Lisa started a savings account. After 5 weeks, she has $75 in her account. After 12 weeks, she has $180 in her savings account.

Given the following statements, calculate the rate of change.  Make sure to label your units. 

(3 points each)

 

Johnny weighed 60 pounds in 2015, and he weighed 78 pounds in 2021. 

Given the following statements, calculate the rate of change. Make sure to label your units.

What is the slope in the equation y=2x + 3?

• 2

• 3

• 5

• Cannot be Determined 

Find the slope of the line that passes through:
(10, 1) and (5, 2)

• 1/5

• -1/5

• 5

• -5

Find the slope:

• 3/4

• 4/3

• -3/4

• -4/3