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.
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 ...
The quadratic formula and vertex form are investigated.