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Erin Bode

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3y ago
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14y ago

2x+y=-3 is the same as y=-3-2x

This is a straight line that slopes downward with a slope of -2 and intercepts the y-axis at y=-3

Its graph will be a straight line that intersects the y-axis at y=-3 and slopes upward to the left and downward to the right at a relatively steep angle. If you have graph paper, when going to the left of the y-intercept it will rise two boxes for every one box that it goes horizontally. Similarly, going to the right of the y-intercept it will fall two boxes for every one box it travels horizontally.

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15y ago

When x is zero, y is 3, so plot that point.

When x is one, y is 5, so plot that point.

Now draw a straight line between those two points.

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Q: Graph y equals 2x plus 3?
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Which point would be on the graph of the equeation y equals 2x plus 3?

2,4


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2x plus y = -3 (subtract 2x from both sides) y = -2x - 3 slope = -2 y-intercept = -3


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The x-interceptin is where the graph crosses the y-axis, which is where y equals 0: 0 = 2x + 3 2x = -3 x = -3/2 So the x intercept is as x = -3/2 (and y = 0).


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