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Choose the equation that represents a line that passes through points (−1, 2) and (3, 1).

4x − y = −6
x + 4y = 7
x − 4y = −9
4x + y = 2

pleas help

2 Answers

2 votes

Answer:

x + 4y = 7

Explanation:

Slope: (2-1)/(-1-3) = 1/-4 = -1/4

y = (-1/4)x + c

1 = (-1/4)(3) + c

c = 1 + (3/4) = 7/4

y = (-1/4)x + 7/4

4y = -x + 7

4y + x = 7

x + 4y = 7

User Dhiren Basra
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5.6k points
6 votes
The answer is x+4y=7
User Kid
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5.4k points