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chicagochica5

  • 3 years ago

For the function rule y = -2x - 3, provide the x-y coordinates of the y-intercept and the x-intercept.

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  1. Denebel
    • 3 years ago
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    To find y intercept, you want to see where the point is when x=0. To find where the x intercept is, you want to see where the point is when y=0

  2. chicagochica5
    • 3 years ago
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    @Denebel, but I do not have a Graph

  3. Denebel
    • 3 years ago
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    You don't need to graph, all you do is: y = -2x - 3 To find x intercept, plug 0 in y: 0=-2x-3.... Solve so you get x=_______ and that is your x-intercept. To find y, do the opposite: y=-2(0)-3 Get y=_______ and that is your y-intercept. On a side note, for linear equations, y=mx+b, you would know that b will be your y-intercept (see above for explanation).

  4. chicagochica5
    • 3 years ago
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    So the x-intercept would be \[-3\over 2\]

  5. chicagochica5
    • 3 years ago
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    And Y-intercept would be 0.5? @Denebel

  6. Denebel
    • 3 years ago
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    x-intercept is correct but y=-2(0)-3 y=0-3 y=-3

  7. chicagochica5
    • 3 years ago
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    Is that all I need for my ANswer @Denebel

  8. Denebel
    • 3 years ago
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    Yes those points will be your x and y intercepts

  9. chicagochica5
    • 3 years ago
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    Thank so much @Denebel

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