kitten11111 kitten11111

19-05-2021
Mathematics

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HELP! WILL MARK BRAINLIEST!
Consider the function f(x) = x2 + bx – 2, where b is a constant. If the function has an axis of symmetry at x = – 3, what is the value of b?

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surjithayer10otahza surjithayer10otahza

19-05-2021

Answer:

Step-by-step explanation:

if x=-3 is axis of symmetry then

(x+3)²=0

x²+6x+9=0

so b =6

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