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Analiza

What is the slope of the line 5x - 2y = -10?

  • one year ago
  • one year ago

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  1. ash2326
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    Could you rearrange the equation such that, it's of the form \[y=mx+c\] ?

    • one year ago
  2. Analiza
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    Idk how to.

    • one year ago
  3. ash2326
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    divide whole equation by -2

    • one year ago
  4. Analiza
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    Even the 5x?

    • one year ago
  5. JayDS
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    rearrange it into the form of y = mx + c so 5x - 2y = -10 5x + 20 = 2y 2y = 5x + 20 y = 5/2x +20/2 y = 5/2x + 10 now the m = gradient or slope that you can read from the last line of the rearranged equation so what is it?

    • one year ago
  6. ash2326
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    yeah

    • one year ago
  7. JayDS
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    try it yourself and then check with mine.

    • one year ago
  8. Analiza
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    I got x=1?

    • one year ago
  9. JayDS
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    show me ur working out @Analiza?

    • one year ago
  10. GiggleSquid
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    sorry to stike you down jay

    • one year ago
  11. Analiza
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    I got confused, how m I supose to divide -2y & 5x?

    • one year ago
  12. JayDS
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    can you understand the steps I did?

    • one year ago
  13. JayDS
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    5x - 2y = 10 so we want y to be on one side so we will have to +2y on both sides 5x -2y + 2y = 10 + 2y 5x = 10 + 2y now we have to minus 10 on both sides 5x - 10 = 10 -10 + 2y 5x - 10 = 2y now we are going to rewrite it 2y = 5x - 10 this is same as the previous step but just swapping them around y = 5/2 - 10/2 divide both sides by 2 y = 5/2x - 5

    • one year ago
  14. JayDS
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    lets try an easier sample, say 2x + y = 1, and rearrange into the form on y= mx + c

    • one year ago
  15. laxkid
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    slope is \[\frac{5}{2}\]

    • one year ago
  16. JayDS
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    yes, @laxkid we figured that out already

    • one year ago
  17. JayDS
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    I can see that you have trouble rearranging basic equations, so I think you should start by doing some exercises.

    • one year ago
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