SOLUTION: Hello, Kristin needs more help w/ a practice problem: f(x)=x^2 - kx - 3 and f(2)=9, then k= -Thanks, Kristin

SOLUTION: Hello, Kristin needs more help w/ a practice problem: f(x)=x^2 - kx - 3 and f(2)=9, then k= -Thanks, Kristin

Algebra.Com

Question 31241: Hello,
Kristin needs more help w/ a practice problem:
f(x)=x^2 - kx - 3 and f(2)=9, then k=
-Thanks,
Kristin
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
.

So, when f(2)=9 we get

...you carry on and get the value of k.

jon

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