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45 votes
45 votes
Find the value of b if it is known that the graph of y=-3x+b goes through the point_
M(-2, 4)

User B Bhatnagar
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2 Answers

12 votes
12 votes
Y=-3x-2
I did in paper and this is the answer
User Cornel Ghiban
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2.7k points
19 votes
19 votes

Answer:

b = -2

Explanation:

y = mx + b; (-2, 4)

y = -3x + b (x₁, y₁)

m = -3

y - y₁ = m(x - x₁)

y - 4 = -3(x -( -2))

y - 4 = -3(x + 2)

y - 4 = -3x - 6

+4 +4

------------------------

y = -3x - 2

I hope this helps!

User Tgdavies
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