Slope Intercept Form a.k.a. y = mx + b

What is the y-intercept of a line that passes through the points (10,0) and (0, -3)?

-3

What is the slope of the line that passes through (2,4) and (6, 12)?

2

What is the slope of a line that passes through the points (-2,-6) and (2,6)?

3

What is the y-intercept of a line that passes through the points (0,4) and (-6,0)?

4

When the slope is negative, the line goes ____ from left to right.

Down

The "x-axis" is the line on a coordinate grid that goes _______.

Left to right

If y = mx or y + mx + 0

The relationship is proportional.

When the slope is positive, the line goes _____ from left to right.

Up

If my slope is two, I would count from one point to another on a graph as

Up 2 and over 1

The "y-axis" is the line on a coordinate grid that goes ________.

Up and down

Given a slope of -3 and a y-intercept of 2, write an equation of the line.

Y=-3x+2

In y = mx + b, what letter represents the y-intercept?

b

y = mx + b can also be written as ______________

fx = mx + b

In y = mx + b, what letter represents the slope?

m

What does "change in y over change in x refer to?

slope

What does "rise over run" refer to?

slope

What is the point at which a graphed line crosses the x-axis called?

x-intercept

Equation for a line

y = mx + b

What is the point at which the graphed line crosses the y-axis called?

y-intercept

Given a slope of 2 and a y-intercept of -3, write the equation of the line.

y=2x-3