tatorbugt17 tatorbugt17

11-03-2017
Mathematics

contestada

Without solving the equation, determine the nature of the roots of x^2 - 2x - 8 = 0.

Respuesta :

ghanami ghanami

11-03-2017

Hello
x²-2x-8=0
(x²-2x+1)-1-8=0
(x-1)² -3² =0
(x-1+3)(x-1-3)=0
(x+2)(x-4)=0
x+2=0 or x-4=0
x=-2 or x=4
the roots in Z

Answer Link

Otras preguntas

Please urgent! will give brainliest! Solve for x in simplest form. 7=1/2(x+2)

Using the spell check function is the most basic revision step a writer can undertake

What did north Vietnamese and USSR do that pulled the US into the conflict?

Need help with #2 and #6. I have tried the present subjunctive form for all pronouns and it was incorrect for all of them. Not sure what form the question is lo

The legal document of which ensures the privacy of a patient, also ensures the right of the caregivers are protected

An article the topic, importance in nation building - of technology

given what you think employers value, how do you think should behave at work?

What happens to the temperature of a hot object as energy spreads out from it?

What did the combination of the Great Awakening and the Enlightenment do? a. encourage people to think for themselves and take personal responsibility b. suppo

Which situation is the BEST example of inertia? A. You go down a steep roller coaster and it feels like your stomach is going up into your throat B. A rocket t