SOLUTION: graph y= x^2 - 4 in a rectangular coordinate system

Question 598052: graph y= x^2 - 4 in a rectangular coordinate system
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
graph y= x^2 - 4 in a rectangular coordinate system
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Pick values for x and find y
Plot the points
Draw a curve thru them
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eg x = 0, y = -4 --> (0,-4)
Notice that + and minus values of x give the same y, so you get 2 points.
Do as many points as you need, or care to.

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