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Pearson Algebra 1 Common Core, 2011 View details

3. Slope-Intercept Form

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Exercise 38 Page 313

What do m and b represent in the slope-intercept form?

Slope: -1/2
y-intercept: 0

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+ b Let'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. y+1/2x=0 ⇔ y= -1/2x+ 0 We can see that the slope is - 12 and the y-intercept is 0.