SOLUTION: Use the given conditions to write an equation for each line. Leave each equation in slope intercept form if possible. Passing through (-7,9) and (5,-9)

Question 351636: Use the given conditions to write an equation for each line. Leave each equation in slope intercept form if possible.
Passing through (-7,9) and (5,-9)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi,
*Note: first find the slope

.
(-7,9) and (5,-9)

.
negative slope tell us line slopes to the left
.
y= mx + b is the slope intercept form of a line, where m is the slope and b the y-intercept
.
y = (-3/2)x + b
.
substituting one of the points (-7,9) to determine b
9 = (-3/2)*-7 +b
9 - (3/2)*7 = b
18/2 - 21/2 = -3/2 = b
.
y = (-3/2)x - 3/2

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