What are the three rules to make a graph proportional?
straight line
starts at the origin (0,0).
Constant rate of change.
What is the slope of the equation below?
y = 2x + 7
2
What is slope-intercept form?
y = mx + b
Is the following graph linear or nonlinear?

Non linear
If your "y" axis is speed how would you show it slowing down on a graph?
It goes down.
Is the following equation proportional or nonproportional?
y = x^2 + 4
Nonproportional
What is the slope of the table below?

4
Write the equation in slope-intercept form of the graph below.

y = 2/3x - 2
Is the graph a function? Explain!

What is happening at part 3

The number of visitors is increasing slowly.
Is the following proportional or nonproportional?
y = -2x
Proportional
What is the slope on the graph below?

3
Write an equation in slope-intercept form from the table.

y = 6x
Is the following linear or nonlinear?

Nonlinear
Pick the best option.

B
Is the following proportional or nonproportional?

Nonproportional
What is the slope of the graph below?

-2
Write an equation in slope-intercept form from the table.

y = 4x + 6
Is the following a function or not?

Yes
Pick the best answer.

A
The relationship below is proportional. Find the missing measure.
When x = 4 y = 18. Find y when x = 12
y = 54
Find the slope between these points.
(3, 6) and (10, 7)
1/7
Li is making beaded necklaces. For each necklace, she uses 27 spacers plus 5 beads per inch of necklace length. Write an equation to find how many beads you need for each necklace.
y = 5x + 27
Is the following a function or not? Explain
(3, 5) (8, 5) (4,2) (1,6) (7, 3) (9,4) (2,5)
Yes, explanation
Give an example of a situation that matches the graph below.

More than one correct answer.
Phil is riding his bike. He rides 25 miles in 2 hours, 37.5 miles in 3 hours, and 50 miles in 4 hours. Find the constant rate of change and write an equation to describe the situation.
y = 12.5x
Find the slope between the points.
(-2, 5) and (-4, -9)
7
Write the equation in slope-intercept form.

y = 2x + 2
Is the following a function or not? Explain.

Yes,explanation