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morpeh [17]
3 years ago
9

18. What is the y-intercept of the line that passes through the points (1, 1) and (5, 13)?

Mathematics
1 answer:
TEA [102]3 years ago
4 0

Answer:

-2

(The coordinate point is (0,-2))

Step-by-step explanation:

First, make an equation of the line.

Start off with finding the slope:

Slope = (13-1)/(5-1) = 12/4 = 3

Then solve for the y-intercept though substitution and simplification:

y=mx+b --> 1=3(1)+b --> 1=3+b --> b= -2

So the answer is -2.

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