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Pearson Algebra 1 Common Core, 2011 View details

3. Slope-Intercept Form

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Exercise 19 Page 312

Substitute the slope and y-intercept into the slope-intercept form.

y=0.7x-2

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Lines written in slope-intercept form follow a certain format. y= mx+ b In this form, m is the slope and b is the y-intercept. By substituting m= 0.7 and b= -2 into this equation, we can write the line's slope-intercept form equation.

y=mx+b

SubstituteII

m= 0.7, b= - 2

y= 0.7x+( - 2)

AddNeg

a+(- b)=a-b

y=0.7x-2