Precalculus Examples

Find the Slope and y-Intercept
y=-x+5y=x+5
Step 1
The slope-intercept form is y=mx+by=mx+b, where mm is the slope and bb is the y-intercept.
y=mx+by=mx+b
Step 2
Find the values of mm and bb using the form y=mx+by=mx+b.
m=-1m=1
b=5b=5
Step 3
The slope of the line is the value of mm, and the y-intercept is the value of bb.
Slope: -11
y-intercept: (0,5)(0,5)
Step 4
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