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anonymous

  • one year ago

FAN MEDAL INSTAGRAM Write the equation of the line that passes through the points (1, 7) and (5, 15) using function notation.

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  1. anonymous
    • one year ago
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    please leave

  2. anonymous
    • one year ago
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    @MathGuyThatWantsHelp can u help me

  3. anonymous
    • one year ago
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    y- y1 = m (x -x1)

  4. anonymous
    • one year ago
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    Here r the answers y = 2x + 5 y = 4x + 8 f(x) = 2x + 5 f(x) = 4x + 8

  5. anonymous
    • one year ago
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    please someone help me

  6. anonymous
    • one year ago
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    m = y2-y1/x2-x1 lets suppose x1, y1 = (1,7) and x2, y2 = (5,15) then m (the slope) = (15-7)/5-1 = 8/4 = 2

  7. anonymous
    • one year ago
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    yep

  8. anonymous
    • one year ago
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    so which one would it be i didn't really understand this concept during school @BPDlkeme234

  9. anonymous
    • one year ago
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    i need help!!!!!!!!!!!!!!!!111

  10. anonymous
    • one year ago
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    @BPDlkeme234

  11. anonymous
    • one year ago
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    please help me dude

  12. anonymous
    • one year ago
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    so, x1, y1 = (1,7) and (x2, y2) = (5, 15) this is known as the point-slope form of the equation. therefore the eq. of the line is : y-(7) = 2(x-1) y-7 = 2x -2

  13. anonymous
    • one year ago
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    now, if we add 2 to both sides we get: y-7 (+2) = 2x -2 (+2) y-5 =2x y= 2x + 5 is that one of your answers?

  14. anonymous
    • one year ago
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    no the Answers are y = 2x + 5 y = 4x + 8 f(x) = 2x + 5 f(x) = 4x + 8

  15. anonymous
    • one year ago
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    eh, yes it is equal to the first answer y=2x + 5

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