SOLUTION: write an equation in slope-intercept form of a line containing the points (-8,9)and (-6,-5).
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Question 192733: write an equation in slope-intercept form of a line containing the points (-8,9)and (-6,-5).
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
write an equation in slope-intercept form of a line containing the points (-8,9)and (-6,-5).
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There are 2 ways to do these.
Method 1:
Find the slope, m.
m = diffy/diffx
m = (-5-9))/(-6-(-8)) = -14/2
m = -7
Then use either point:
y-y1 = m*(x-x1)
y-9 = -7*(x+8)
y-9 = -7x-56
y = -7x-47
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Method 2:
|+x +y +1|
|-8 +9 +1| = 0
|-6 -5 +1|
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x*(9+5) - y*(-8+6) + (40+54) = 0
14x + 2y +94 = 0
y = -7x - 47
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