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You make a table of x vs. y values. That is, you substitute some value for "x", and calculate the corresponding value for "y". Then you graph the points. The equations you give are straight lines, so two points are sufficient - in theory. It is recommended to include three points, as an additional check, in case you do something wrong.
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Earn +20 ptsQ: How do you graph y equals 2x-2 and y equals 2x plus 4?
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Continue Learning about Math & Arithmetic
What is 2x2 plus 11x plus 15?
2x2 + 11x + 15 = (x + 3)(2x + 5).
How Do you Graph The Following Equation -2x plus 3y equals 1?
-2x plus 3y equals 1
Can 5x2 plus 2x-4 equals 2x2 be solved using the quadratic formula?
Yes
How do you factorise x3 plus 2x2-8x plus 5 equals 0?
x3 + 2x2 - 8x + 5 = 0 x(2x - 8) + 5 = 0
What are the roots of the quadratic equation y equals 2x2 plus 3x-20?
2x2 + 3x - 20 = (x + 4)(2x - 5).
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