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Josarah123

  • 2 years ago

Use point-slope to write an equation of a line with slope of -7/9 and passing through the point (5,3). Write final equation in slope-intercept form

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  1. baldymcgee6
    • 2 years ago
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    do you know what point slope form is?

  2. Josarah123
    • 2 years ago
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    yeah. y=mx+b

  3. Josarah123
    • 2 years ago
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    but what is point-slope?

  4. baldymcgee6
    • 2 years ago
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    That ^ would be slope intercept form..

  5. baldymcgee6
    • 2 years ago
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    |dw:1351645685212:dw|

  6. Josarah123
    • 2 years ago
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    ....where do i get an x0 in this? god that just confused me so much more

  7. Josarah123
    • 2 years ago
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    cant i just do -3=-7/9(5)+b

  8. Josarah123
    • 2 years ago
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    find b then plug it in?

  9. baldymcgee6
    • 2 years ago
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    |dw:1351645804759:dw|

  10. baldymcgee6
    • 2 years ago
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    What you suggested about is a good way to find slope intercept form..

  11. Josarah123
    • 2 years ago
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    so i can use that?

  12. baldymcgee6
    • 2 years ago
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    to find slope intercept, but it is easier to use point-slope and THEN get slope intercept

  13. Josarah123
    • 2 years ago
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    so if I used point slope it would be y=-7/9(x--3)+5

  14. Josarah123
    • 2 years ago
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    ugh i hate this

  15. baldymcgee6
    • 2 years ago
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    |dw:1351646105855:dw|

  16. Josarah123
    • 2 years ago
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    isn't it -3?

  17. baldymcgee6
    • 2 years ago
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    you're co-ordinates given are (5,3)

  18. Josarah123
    • 2 years ago
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    oops. its suppose to be -3. sorry i typed it wrong. Whatever I'm so lost. I'll just do it the way I typed. I just don't understand point-slope. But thanks for trying to teach me. I'm so dumb.

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