Lindsay882 Lindsay882

03-04-2018
Mathematics

contestada

Show all work. What are the zeros of the function?
f(x) = 2x^2 − 8x − 10

Respuesta :

03-04-2018

(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

Answer Link

Otras preguntas

Could I also get help on this, I’m giving 15 points, plz by tonight

Poetry that does not follow specific form does not have a set rhyme pattern is know as

Which of the following ideas did Charles Lyell subscribe to? A: Human populations grow faster than their resources. B: Earth must be far older than most people

Help, if you could... (Sorry if it’s a little dark)

AC and BD are perpendicular bisectors of each other.Find the perimeter of ABC

he influence of the Virginia Declaration of Rights can be seen in the __________ and the ___

can anyone ans this question

if 2 alternate exterior angles of parallel lines are 4x+78 and 13x-49, what does x equal?

Generally, you may expect ionization to be greater: in dilute solutions in 1 M solutions in high concentration solutions none of these

It's like a storm That cuts a path It's breaks your will It feels like that You think you're lost But your not lost on your own You're not alone I will stand by