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Luda [366]
3 years ago
11

A line passes through (4, 5) and (8, 9). Which equation best represents the line?

Mathematics
2 answers:
Helen [10]3 years ago
8 0

Answer:

y = x + 1

Step-by-step explanation:

I got the answer right on the test

kipiarov [429]3 years ago
7 0
Slope (m) = change in Y over change in X

change in Y = 9-5 = 4
change in x = 8-4 = 4
slope = 4/4 = 1
 m = 1

the y intercept (b) would be found by using the formula y = mx+b

 find b by replacing y, m and x in the equation with one of the points and the calculated slope:

(4,5)  x = 4, y = 5 and slope m = 1
5 = 1*4 +b
5 = 4+b
b = 5-4
b=1

so the equation of the line would be y = x +1
 the answer is A






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OlgaM077 [116]
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Extra points!!no links tho
Naddik [55]

Answer:

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a.

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b.

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