Linear Functions True Statement

Which statement below is TRUE regarding the functions pictured?

• Both functions have a y-intercept of 3

• Both functions are increasing

• Both functions are linear

• Both functions have a MULTIPLYING pattern

Who is losing weight faster?

• Valerie

• Oscar

• Mrs. Conte

• They are losing the same amount of weight

Identify the slope and y-intercept of:
y = 1/5x + 5

• slope: 1/6   y-intercept:  4 

• slope: 1/5   y-intercept:  5 

• slope: 5/1   y-intercept:  5 

• slope: 1   y-intercept:  5 

Identify the slope and y-intercept of:
y = 3 -x

• slope:-1   y-intercept:  3

• slope: 1/5   y-intercept:  5 

• slope: 1    y-intercept:  -3

• slope: -1   y-intercept:  -3

What is a linear function?

• Has a constant rate of change (its graph is a straight line)

• Does not have a constant rate of change (its graph is not a straight line

• Has a constant rate of change (its graph is not a straight line)

• Does not have a constant rate of change (its graph is a straight line)

A function that has a constant rate of change

• Linear

• Exponential

• Quadratic

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

Write a rule:  A plumber charges $50 for a house call plus $12 per hour for labor.

• y = 50 x + 12

• y = 50 + 12 x

• y = 62 x

• x = 50 + 12y

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3