Write the quadratic equation in standard form. Determine the values of a, b, and c.7 - 2x + 9x2 = 0

A. 0 = -9x2 + 2x - 7
a = 9, b = -2, c = 7
B. 9x2 - 2x + 7 = 0
a = -9, b = 2, c = -7
C. 9x2 - 2x + 7 = 0
a = 9, b = -2, c = 7
D. 0 = -9x2 - 2x - 7
a = -9, b = 2, c = -7


Answer: C

Mathematics

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