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 22 Page 142

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

Slope: 7
y-intercept: 1/2

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.
0=1-2y+14x
2y=1+14x
y=1+14x/2
y=7x+1/2
Below we have highlighted the slope m and y-intercept b. y= 7x+ 1/2 We can see that the slope is 7 and the y-intercept is 12.