SOLUTION: Find a Linear function whose graph passes through the given points.
(8, -1) and (-5, 4)
A. f(x) = -9/13x + 27/13
B. f(x) 5/13X = 27/13
C. f(x) 9/13x + 27/13
D. f(x)= - 5/13x
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Question 22897: Find a Linear function whose graph passes through the given points.
(8, -1) and (-5, 4)
A. f(x) = -9/13x + 27/13
B. f(x) 5/13X = 27/13
C. f(x) 9/13x + 27/13
D. f(x)= - 5/13x = 27/13
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
First find the slope:
=
= or
The only multiple choice that has a slope of -5/13 is D, so this must be the answer. However, just to make sure, let's find the y-intercept, by substituting everything you know into the formula y=mx+b, using x=8, y=-1, and m= -5/13.
y=mx+b
It might be easiest to clear the fraction by multiplying by the denominator which is 13:
Next, add 40 to both sides:
Divide both sides by 13:
Final answer is
I think that is probably what you meant to write for the D answer.
R^2 at SCC
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