SOLUTION: y=2x^2,y=x+3 solve using system of equations algebraically.
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Question 449742: y=2x^2,y=x+3 solve using system of equations algebraically.
Answer by Math_Teacher_37(4) (Show Source): You can put this solution on YOUR website!
and
Since and , this means that .
Now, you have to solve for x, using the quadratic formula. Begin by moving the terms on the right side of the equation to the left side:
Now, in the quadratic form, , a = 2, b = -1, and c = -3. Substitute these values into the quadratic formula, as shown below.
OR
OR
OR
The solutions are x = -1 OR x = 3/2.
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