What are the zeroes of f(x) = x2 − x − 2?

First, we factor:

So we need to know what multiplies to -2 and adds to -1 (This skill gets faster and easier through time, but I will tell you now the numbers are -2 and 1)

With this, we can write the following:
(X+1)(X-2) = 0

So X = -1 and 2 are your roots.
(-1,0) & (2,0) are the points.

I hope this Helps!

Answer Link

poojatomarb76 poojatomarb76 · Answer 2 · 2022-05-17T13:01:13+02:00

The zeroes of the given function will be,x=-1 and x=+2. The zeroes of the function are obtained by equating the function is equal to zero.

How to find the zeroes of the function?

The zeroes of the function are found by putting the given functions equal to zero. After putting the given function is equal to the zero. The value of the independent functions can be found.

The given function is;

[tex]\rm f(x) = x^2 - x - 2 \\\\ f(x) = x^2 -2x+x-2 \\\\ f(x) = x(x-2)+1(x-2) \\\\ f(x) = (x+1)(x-2) \\\\[/tex]

On putting the given function is equal to the zero. We will find the given function is equal to the zero;

Hence the zeroes of the given function will be,x=-1 and x=+2.

To learn more about the zeroes of the functions refer to the link;

https://brainly.com/question/16633170

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