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Fofino [41]
3 years ago
11

What is an equation of the line that passes through the points (-1, -2) and (2, 4)

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

y = 2x

Step-by-step explanation:

Formula is y = mx + b

m is slope

slope = (4 - -2) / (2 - -1) = 6 / 3 = 2

Now equation is y = 2x + b

To find b, substitute one of the coordinates in the equation. Let's use (2,4)

y = 2x + b

4 = 2(2) + b

b = 0

So equation is y = 2x

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