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Khandi

  • 3 years ago

Find the x and y intercepts 1.) 4y-8=2x

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  1. hartnn
    • 3 years ago
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    To get x-intercept put y=0 in the equation to get y-intercept put x=0 in the equation

  2. Khandi
    • 3 years ago
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    can you help me do it and explain each step

  3. hartnn
    • 3 years ago
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    4y-8=2x FOR x-INTERCEPT, PUT y=0 in that, what u get ?

  4. Khandi
    • 3 years ago
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    |dw:1352781110121:dw| that is what i got

  5. tkhunny
    • 3 years ago
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    1.) 4y-8=2x Add 8 4y = 8 + 2x Subtract 2x 4y - 2x = 8 Divide by 8 \[\frac{y}{2} + \frac{x}{-4} = 1\] This is called the "Intercept Form". The answers are staring at you.

  6. hartnn
    • 3 years ago
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    -8=2x so x= -8/2 = ?

  7. tkhunny
    • 3 years ago
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    You have it. Now the other?

  8. Khandi
    • 3 years ago
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    -4

  9. Khandi
    • 3 years ago
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    hartnn

  10. hartnn
    • 3 years ago
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    that is correct.

  11. tkhunny
    • 3 years ago
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    Okay, now start with x = 0 and find the y-intercept.

  12. hartnn
    • 3 years ago
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    4y-8=0 4y=8 y=?

  13. Khandi
    • 3 years ago
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    2

  14. tkhunny
    • 3 years ago
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    Now go take a look at that Intercept Form and see if anything looks interesting - particularly the denominators.

  15. hartnn
    • 3 years ago
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    thats correct. any more doubts ?

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