Question

When ax2 + 7x + 12 is divided by x – 3, the remainder is 51. Find a

Answer 1

Answer:

a = 2

Step-by-step explanation:

If f(x) is divisible by x - 3, f(3) = 51.

9a + 21 + 12 = 51

9a + 33 = 51

9a = 18

a = 2

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