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Quadratic Formula and Vertex Form

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Using the quadratic equation x2 - 4x - 5 = 0, perform the following assignment;
Solve by factoring and solve by using the quadratic formula

2) For the function y = x2 - 4x - 5,
Put the function in the form y = a(x - h)2 + k.

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Solution Summary

The quadratic formula and vertex form are investigated. The expert puts the function in a specific form.

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The function is y=x^2-4x-5
(1) Solve by factoring
We have x^2-4x-5=(x-5)(x+1)=0, then we get x=5 or x=-1
So the ...

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