Find the x-intercepts for the parabola: y = x^2 + 4x - 3
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The question asks for the x-intercepts of the parabola y = x^2 + 4x -3.
We will use the method of completing the square to find the x-intercepts.
=> 0= x^2 +4x -3.
=> 3 = x^2 + 4x
=> 3 + 4 = x^2 + 4x + 4
=> 7 = (x + 2)^2
=> -2 + sqrt 7 = x or -2 - sqrt 7 = x
=> The...
(The entire section contains 2 answers and 145 words.)
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