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Mathematics 23 Online
Gian:

Which of the following is a quadratic expression where a =1?

Gian:

A) a²-3x-2 B)2x²+4x-5 C)-x²+4x+8 D)2x²-2x²-2x+7

Mercury:

in the context of quadratic equations, a = the coefficient of the x^2 term so look for an answer choice where x^2 isn't being multiplied by anything besides 1

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