Linear Functions

linear 1

100

What is another word for "rate of change?"

Slope

200

What is the formula for finding slope (m)?

m = y₂-y₁/x₂-x₁

300

What does the initial value or one time fee represent in a word problem?

It represents the y- intercept.

400

What is the equation for a line with a y-intercept of (0,-2) and a slope of 2?

y = 2x - 2  

500

Horizontal lines have a slope that is _____.

Zero

linear 2

100

what does M mean in slope intercept form?

What is the Slope

200

When finding the y-intercept, what should x value of the coordinate pair equal?

0

300

What does +b represent in slope intercept form?

What is the Y-intercept

400

What is the name of the point where a graph intersects or crosses the y-axis?

Y-intercept

500

(-6,-6),(8,-10)

What is the slope?

The slope is m=-2/7

linear 3

100

What equation would make a vertical line at -2?

x = -2

200

What is the equation if m = 3 and b = 10?

what is y = 3x + 10?

300

What equation would make a horizontal line through the point (-4,5)

y = 5

400

Vertical lines have a slope that is _____________.

Undefined

500

Is a linear equation in the form y=mx+b proportional or non-proportional?

Non-proportional

linear 4

100

What is the slope of y=3x+4?

What is 3

200

Does a linear function have a constant rate of change? Yes or No?

Yes

300

Michael has $500 in his account. If her earns $50 per day working for his dad what is an equation to represent how much money(y) he will have in x days.

What is y = 50x + 500

400

Slope is the change in ________ over the change in ___________?

Change in y (vertical) over the change in x (horizontal).