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Slope Intercept Form

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Slope Intercept Form

- The y-intercept is the point where a line crosses the y axis.
- At this point the value of x is 0.

- To find the y-intercept, plug 0 in for x in the linear equation and solve for y.
- y=3x-6 (0, -6)

- y=3x-6
- To find the slope first find 2 points.
- (2, 0) and (0, -6)
- Then substitute in and solve

- y=mx + b
- m is
- b is the

y=3x-6

The slope is

The y intercept is

To graph y=3x-6

- Plot (0, -6)
- then count slope
- Up 3 right 1
- Connect your points to make a line.

Write the equation of the line with slope 3/8 and y-intercept 5.

Use slope intercept form:

Substitute in for m and b

Write the equation of a line with slope -.5 and y-intercept -3

y =

Write the equation of a line with slope 4 and y-intercept -5/2.

y =

Identify the slope and y intercept.

y = -5x + 13

Slope:

Y-Intercept:

Identify the slope and y intercept.

y = 1/4x – 2

Slope:

Y-Intercept:

Write the equation of the line with slope 2

That passes through pt. (1, 4).

- Use slope intercept form: y = mx + b
- Substitute in for m
- Substitute in your points
values for x and y

- Solve for b
- Use slope intercept form
and substitute in b and m

Write the equation of a line with slope -3 that passes through pt. (2, 5)