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Grayfox5

  • 4 years ago

Y=-2x+3

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  1. estudier
    • 4 years ago
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    A line....and then?

  2. Grayfox5
    • 4 years ago
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    |dw:1335797674303:dw|

  3. estudier
    • 4 years ago
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    OK, so feed them x values into your formula to get the corresponding y values. Plot the pairs and join the dots........

  4. phi
    • 4 years ago
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    Y=-2x+3 this is short-hand. It means if you replace x with a number, you can figure out y for example, replace x with 0: y= -2*0+3 now do the arithmetic to find y

  5. phi
    • 4 years ago
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    You need to know order of operations: do multiplication first, then addition

  6. Grayfox5
    • 4 years ago
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    okay

  7. SissyLuna
    • 4 years ago
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    Best Answer - Chosen by Asker The general equation of a straight line graph is y = mx + c, where m is the slope and c the intercept on the y axis. So the slope is 2, and the y intercept is -3. To plot, calculate y when x = -3: y = 2x - 3 y = 2*(-3) - 3 y = -6 - 3 y = -9, so plot the point (-3, -9) Now find y when x = 3: y = 2*3 - 3 y = 6 - 3, y = 3, so plot the point (3,3) Join the two points you have plotted, and there is your graph.

  8. Grayfox5
    • 4 years ago
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    thanks it really helped me a lot

  9. SissyLuna
    • 4 years ago
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    THIS WILL HELP U

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  10. SissyLuna
    • 4 years ago
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    welcome

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