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Mathematics, 03.07.2019 03:20 karenjunior

Choose the expression that represents a quadratic expression.
a. 9x - 2
b. 5x^2 + 9x - 1
c. -2x^3 + 8x^2 - 7x + 1
d. x^4 - 12x^3 + 8x^2 - 7x + 1

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Choose the expression that represents a quadratic expression.
a. 9x - 2
b. 5x^2 + 9x - 1...

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