Suppose f(x) = 15 + 1.5x

• Find the pre-image of 22.5 under f?

x =

Problem Set C3 - Find the Zero of a Linear Function (Fill in the Blank)

Fill in the Blank :

Suppose f(x) = 15 + 1.5x

• What is the zero of f?

x =

Problem Set C4 - Find the Y-Intercept of the Graph of a Linear Function (Fill in the Blank)

Fill in the Blank :

Suppose f(x) = 15 + 1.5x

• Find the y-intercept of the graph of f.

y-intercept :

Problem Set C5 - Find the Slope of the Graph of a Linear Function (Fill in the Blank)

Fill in the Blank :

Suppose f(x) = 15 + 1.5x

• Find the slope of the graph of f.

slope =

Problem Set C6 - Solve a Linear Equation When X is Known (Fill in the Blank)

Fill in the Blank :

• What value of y satisfies the following equation when x = 7.3?

y = 105.07 - 10.5x

y =

Problem Set C7 - Solve a Linear Equation When Y is Known (Fill in the Blank)

Fill in the Blank :

• What value of x satisfies the following equation when y = 42.07?

y = 105.07 - 10.5x

x =

Problem Set C8 - Find the Equation of a Line (Fill in the Blank)

Fill in the Blank :

• Suppose the y-intercept of a line is(0, 7) and the slope is 2.

What is the equation for the line in slope-intercept form? :

• Suppose(5, 1)is a point on the line and the slope is -2.

What is the equation for the line in point-slope form? :

What is the equation in slope-intercept form? :

• Suppose(1, -2)and(2, 8)are two points on the line.

What is the equation for the line in point-slope form? (You may use either point) :

What is the equation in slope-intercept form? :