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Ghaida

  • 3 years ago

What is slope-intercept form

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  1. Geometry_Hater
    • 3 years ago
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    y=mx+b

  2. surdawi
    • 3 years ago
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    y = mx + b

  3. Ghaida
    • 3 years ago
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    then what is it in through: (0.-1) and (4,2)

  4. Geometry_Hater
    • 3 years ago
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    You need to find the y intercept and the slope.

  5. Ghaida
    • 3 years ago
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    okay the slope is 3/4

  6. Ghaida
    • 3 years ago
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    then how do I find the y intercpet

  7. surdawi
    • 3 years ago
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    plug in one of the points to the equation

  8. Geometry_Hater
    • 3 years ago
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    just pick an equation say (0,-1) Now just plug in that and the slope all you have to do is solve for b

  9. Geometry_Hater
    • 3 years ago
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    -1= 3/4 (4) + b Solve for b

  10. Ghaida
    • 3 years ago
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    b=-1?

  11. Geometry_Hater
    • 3 years ago
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    No|dw:1349920921262:dw|

  12. Ghaida
    • 3 years ago
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    but I pluged in (,0,-1)

  13. Ghaida
    • 3 years ago
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    where did you get the 4

  14. Ghaida
    • 3 years ago
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    no b=-1 thats what I keep getting

  15. hartnn
    • 3 years ago
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    b=-1 is correct!

  16. Ghaida
    • 3 years ago
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    so the answer would be y=3/4x-1

  17. hartnn
    • 3 years ago
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    yes! thats it.

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