SOLUTION: Please help me, i need to know how to solve this for a test tommorow! What are the zeros of f(x)=-3(x-2)^2 + 5

SOLUTION: Please help me, i need to know how to solve this for a test tommorow! What are the zeros of f(x)=-3(x-2)^2 + 5

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Question 123798: Please help me, i need to know how to solve this for a test tommorow!
What are the zeros of f(x)=-3(x-2)^2 + 5

Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
A zero means to let f(x) = 0 and solve for x:

f(x)=-3(x-2)^2 + 5 =0
Subtract 5 from each side:

Divide by -3:

Take the squsre root of each side:

Add 2 to each side:

There are other ways to write this, by rationalizing the denominator:

You may need to express this with a common denominator:

R^2

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