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tacamry

  • 3 years ago

Identify the correct x intercept and y intercept of the equation 2x - 3y = -18. x intercept = (9, 0); y intercept = (0, -6) x intercept = (6, 0); y intercept = (0, -9) x intercept = (-9, 0); y intercept = (0, 6) x intercept = (-6, 0); y intercept = (0, 9)

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  1. chipperdrew
    • 3 years ago
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    To find the x intercept, set y=0 and solve for x. To find the y intercept, set x=0 and solve for y. Give this a try and let me know if you are still struggling!

  2. tacamry
    • 3 years ago
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    i need more help!

  3. chipperdrew
    • 3 years ago
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    Alright, that's fine. So if you let y=0, you are left with: $$2x - 3(0) = -18 \ \ \ \ \ \ \text{we know 3(0)=0, so} \\ \Rightarrow 2x = -18 \ \ \ \ \ \ \ \text{divide by 2,} \\ \Rightarrow x = -9$$ Thus your x-intercept is the point (-9,0). Try the same thing with the y-intercept and you'll find that to be (0,6). Good luck!

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