Big Ideas Math Integrated I, 2016
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Big Ideas Math Integrated I, 2016 View details
5. Graphing Linear Equations in Slope-Intercept Form
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Exercise 21 Page 142

What do m and b represent in y=mx+b?

Slope: 5
y-intercept: 8

Practice makes perfect
Equations in slope-intercept form follow a specific format, where m represents the slope of the line and b is the y-intercept. y= mx+ bLet's rewrite our equation a little bit so that it more closely resembles this format. This will make it easier to identify the features of the equation.
-5 x=8-y
y-5x=8
y=5x+8
Below we have highlighted the slope m and y-intercept b. y= 5x+ 8 We can see that the slope is 5 and the y-intercept is 8.