Question

value of P for which x²+8x+P​

Answer 1

Step-by-step explanation:

1) f(x) = x^2+8x+P

IF I know that f(0) = 5

Then I know p=5, matter of fact if we know the above and f(0)=P then P is whatever we want!

Or maybe we know that the equation given x2+8x+P = 0

Is true when x = −2

Then we know 4–16+P = 0 and

so P=12

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