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24 September, 18:29

2x-5y=10; what is the x intercept, what is the y intercept, what is the slope?

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Answers (2)
  1. 24 September, 20:44
    0
    First we put the equation in y = mx + b form where m is ur slope and b is ur y int.

    2x - 5y = 10

    -5y = - 2x + 10

    y = 2/5x - 2 ... so ur slope is 2/5 and ur y int is (0,-2) <==

    to find ur x int, sub in 0 for y and solve for x

    2x - 5y = 10

    2x - 5 (0) = 10

    2x = 10

    x = 10/2

    x = 5 ... and ur x int is (5,0) <==

    another way to find the y int is to sub in 0 for x and solve for y ... but u might as well solve it by putting it in y = mx + b form because that way u have ur slope as well.
  2. 24 September, 21:27
    0
    2x-5y=10

    subtract 2x on both side of the equal sign and you're left with

    -5y=-2x+10

    then you divide everything by - 5 to get

    y = 2/5x-2

    ---

    X - intercept = (5,0)

    y = - 2

    slope = 2/5x

    Hope that makes some kind of sense!
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