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Tinascott

  • 3 years ago

Solve the system of equations by graphing. x +y =3 y= 2x -15

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  1. jmslota
    • 3 years ago
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    so to graph the first equation, x+y=3. you're going to put x=0 to find the y intersept (which is 3) then put in y=0 to find the x intercept (which is also 3). so graph the two points (0,3) and (3,0) and connect them. that is your first line. the second equation is in y equals form. so 2/1 is the slope and -15 is the y intercept. graph (0,15) on your graph and take that point and go up two, to the right 1 point and make a point there. keep going up two and over 1 a few times and connect all those points.

  2. Tinascott
    • 3 years ago
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    (-10, -5)

  3. jmslota
    • 3 years ago
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    not what i got when i solved it mathematically

  4. Tinascott
    • 3 years ago
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    my next try was (5, -5)

  5. jmslota
    • 3 years ago
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    no

  6. jmslota
    • 3 years ago
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    keep trying what i wrote originally and find where the two lines intersect each other

  7. Tinascott
    • 3 years ago
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    ( 1, 2 )

  8. jmslota
    • 3 years ago
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    no

  9. Tinascott
    • 3 years ago
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    I got it now I see thank ( 6, -3)

  10. jmslota
    • 3 years ago
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    yes that is correct

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