Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
8. Factoring by Grouping
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Exercise 58 Page 533

What information does a slope-intercept form equation give you?

Practice makes perfect
Equations written in slope-intercept form follow a specific format. y=mx+ b In this form, m represents the slope of the line and b represents the y-intercept. Below we highlight the slope m and y-intercept b.

y=1/2x+ 3 The slope is 12. The y-intercept is 3, so the graph crosses the y-axis at the point (0, 3).

Graphing the Equation

A slope of 12 means that for every 2 units we move in the positive horizontal direction, we move 1 unit in the positive vertical direction. m=1/2 ⇔ rise/run=1/2 To graph the equation, plot the y-intercept and then use the slope to find another point on the line.