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anonymous

  • one year ago

Help: Which equation represents this line in point-slope form? (y−6)=−7/9(x+4) (y−3)=7/9(x−6) (y−3)=−9/7(x−3) (y−3)=9/7(x−3)

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  1. anonymous
    • one year ago
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    http://cdn.ple.platoweb.com/PCAP-ASSETS-PROD/ca4fcf57c1834aa2ababc4f5999d3e7e

  2. anonymous
    • one year ago
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    which one do you think?

  3. anonymous
    • one year ago
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    b?

  4. anonymous
    • one year ago
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    look, to find the correct point slope form of this this line, first find the slope, of the line. to find the slope, use the slope formula \[m=\frac{ y_2-y_2 }{ x_2-x_1 }\] the slope of your line will be 9/7. So already there is only d is correct. But if you want to know how to continue the finding of point slope form of this line, here it is: (could you just wait a minute, please? it will take some time to me to write the explanation)

  5. anonymous
    • one year ago
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    the point slope form of the line is \[y-y_1=m(x-x_1)\] or \[y-y_2=m(x-x_2)\]

  6. anonymous
    • one year ago
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    since the line goes through points (3, 3) and (-4, -6), the point slope form of the line will be the following: \[y-3=9/7(x-3)\] AND \[y-(-6)=9/7(x-(-4))\] \[y+6=9/7(x+4)\] Note that both equation are correct, but in this problem you have only one equation. which is the last one. (in your choices)

  7. anonymous
    • one year ago
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    oh ok I got everything you said thank you so much!! @ksanka

  8. anonymous
    • one year ago
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    np :)

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