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Graphing equations

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X Y I Y = 2X + 1 X Y 0123 0123 1 3 5 7 0-½ Y - intercept 0, 1 X - intercept -½, 0

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X Y I Y = -X + 4 X Y 0123 0123 4 3 2 1 04 Y - intercept 0, 4 X - intercept 4, 0

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X Y I X Y 0-2 0 2 4 Y - intercept 0, -2 X - intercept 3, 0 Y = ⅔X - 2 3 6 9

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X Y I 2X + 3Y = 6 X Y 02 0 -2 -4 Y - intercept 0, 2 X - intercept 3, 0 3 6 9 Y = -⅔x + 2

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X Y I Y = 5 X Y 0123 0123 5 5 5 5 Y - intercept 0, 5 X - intercept NONE

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X Y I X = -2 X Y -2 0 1 2 3 Y - intercept NONE X - intercept -2, 0

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It will be a special case The Process of graphing lines Does your equation have 1 variable or 2? If X = then it will cross the x- axis and will be vertical If Y = then it will cross the y- axis and will be horizontal Make a function chart Don’t forget to find your x and y intercepts Draw your dots and don’t forget to connect them all the way across your graph

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X Y I Y = 2X + 1 X Y Y - intercept X - intercept

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X Y I Y = -X + 4 X Y Y - intercept X - intercept

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X Y I X Y Y - intercept X - intercept Y = ⅔X - 2

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X Y I 2X + 3Y = 6 X Y Y - intercept X - intercept

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X Y I Y = 5 X Y Y - intercept X - intercept

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X Y I X = -2 X Y Y - intercept X - intercept

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It will be a _______________ The Process of graphing lines Does your equation have 1 variable or 2? If X = # then it will cross the _____ and will be ____________ If Y = # then it will cross the _____ and will be _____________ Make a __________________ Don’t forget to find your ____and _______ intercepts Draw your dots and don’t forget to connect them all the way across your graph

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Finding x- and y-intercepts algebraically

Finding x- and y-intercepts algebraically

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