SOLUTION: trying to find the slope-intercept form that passes thru these given points (-3,-3) (1,9)

Question 903176: trying to find the slope-intercept form that passes thru these given points (-3,-3) (1,9)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
trying to find the slope-intercept form that passes thru these given points (-3,-3) (1,9)
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slope-intercept form of equation for a line: y=mx+b, m=slope, b=y-intercept
for given problem:
slope,m=∆y/∆x=(9-(-3))/(1-(-3))=(9+3)/(1+3)=12/4=3
equation: y=3x+b
solve for b using coordinates from one of the given points,(1,9), on the line
9=3*1+b
b=6
equation: y=3x+6
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