Answered

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Choose the expression that represents a quadratic expression.09x-205x²+9x-1O-2x+8x²-7x+1Ox-12x³+8x²-7x+1

Sagot :

A quadratic expression is an expression that has the highest power of the variable being a power of two and it must have a power of two in the expression

Since the variable is x, it must have an x^2 and cannot have any expression higher

5x^2 + 9x - 1 is a quadratic expression

9x-2 does not have a x^2 term

x-12x³+8x²-7x+1 has a term to the third power which makes it a cubic expression

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