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Earn +20 ptsQ: What is the x in the equation -x2 plus 3x plus 2y?
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What is the graph of the equation 2x2-6x plus 2y plus 18 equals 0?
2x2-6x+2y+18 = 0. Subtract the 2y from both sides. 2x2-6x+18 = -2y. Divide all by -2 to get y by itself. -x2+3x-9 = y. This graph is going to be a parabola that opens downward, like a frown.
Y equals x2 plus 3x plus 2?
is a quadratic equation for y, in terms of x.
What is the discriminant for this equation x2-3x plus 5 equals 0?
The discriminant is -11.
What is the solution of this quadratic equation x2 plus 3x-10 equals 0?
x2 + 3x - 10 = (x + 5)(x - 2) ⇒ x = -5 or 2
What number is x when x squared plus 3x equals 7?
x2+3x = 7 x2+3x-7 = 0 Using the quadratic equation formula:- x = -4.541381265 or x = 1.541381265
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