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anonymous

  • 5 years ago

Find an equation of the line that has the point (-1, -4) and perpendicular to y=-2.

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  1. amistre64
    • 5 years ago
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    di you know what a perpendicular line is?

  2. amistre64
    • 5 years ago
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    the line y=-2 is straight across the page; what would a perp line to it that passes thru (-1,-4) be?

  3. anonymous
    • 5 years ago
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    two lines that intersect at right angles

  4. amistre64
    • 5 years ago
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    good; what line is 90 degrees to the y=-2 line?

  5. amistre64
    • 5 years ago
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  6. amistre64
    • 5 years ago
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  7. anonymous
    • 5 years ago
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    so, y=-2 is the line straight across and then (1,-4) goes straight through

  8. amistre64
    • 5 years ago
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    x = -1 is the only perp line to y=-2; that goes thru (-1,-4)

  9. anonymous
    • 5 years ago
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    right, they 'meet' at -1

  10. amistre64
    • 5 years ago
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    correct...kind of :) they meet at (-1,-2)

  11. anonymous
    • 5 years ago
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    OK, so they meet at (-1,-2). The equation to y=-2 would be x=-1

  12. amistre64
    • 5 years ago
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    exactly :)

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