Writing and interpreting linear functions

What is the correct equation in

Slope-Intercept Form?

(y = mx +b)

• y = x + 2

• y = 2x - 1

• y = -x + 2

• y = -2x - 1

Which accurately describes the graph?

• Always increasing

• Always decreasing

Make the rule for the function with its graph.

• y = 1/6x

• y = 6x - 1

• y = 6x - 3

• y = 6x

Every Halloween, trick-or-treaters love going to Camille's house to see her spooky decorations and get some of her delicious caramel chews.

Write an equation for the relationship between

x and y.

Enter answer in form y = kx

The graph shows the amount of water remaining in a tank after a leak occurs. Write an equation that expresses the amount of water in the tank, a, as a function of the number of hours, h, since the leak occurred.

• a = ½h + 10
• a = ½h + 20
• h = ½a + 10
• h = ½a + 20

Which graph represents a linear function?

• 
• 
• 

Which of the following equations represents Tammy's line?

• $y=4x+2$

• $y=4x$

• $y=2x+4$

• $y=\frac{1}{2}x+4$

What is the equation of this line?

• y = -2x +2

• y = 2x -2

• y = -x + 2

• Cannot be Determined

What is the linear equation for the graph?

• y = 2x + 2

• y = -2x + 6

• y = -1/2x + 3

• y = -1/2x + 6

Which equation matches the line?

• y = 2x + 3

• y = -2x + 3

• y = 1/2x - 3

• y = -1/2x + 3