Let f(x)= 2x^2 + 6x +3. Express f(x) in the form a(x-h)^2 + k, where a, h, and k are constants. ?
1 Answer
Explanation:
The form
Start by placing a bracket around the terms containing the variable:
Next, factor out the coefficient of
You also have to divide the coefficient of the
Now add the square of half the coefficient of the
You also need to subtract this outside the bracket and multiply it by the
Simplify outside of the bracket:
Form the square of a binomial: