A line goes through the two points (3,7) and (-2,-8). Louis thinks that the equation of the line is y = 3x – 2. Do you agree? Ex

Question

A line goes through the two points (3,7) and (-2,-8). Louis
thinks that the equation of the line is y = 3x – 2.
Do you agree? Explain your answer.

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Tryphena 6 months 2021-07-23T11:40:18+00:00 1 Answers 10 views 0

Answers ( )

    0
    2021-07-23T11:41:39+00:00

    -8 – 7/ -2 – 3 = -15/-5 = 3
    3 it’s the slope

    7=3(3) +b
    7=9 +b
    -9. -9
    -2=b

    Y=3x-2

    Yes I’m agree, because if you find the slope with the formula y2-y1/x2-x1 you can find the slope and if you use the formula y=Mx+b you can find the y- intercept.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )