Chl4oepkarlanocoa Chl4oepkarlanocoa
  • 03-02-2017
  • Mathematics
contestada

What are the x-intercepts of the quadratic function?



y = x² + x – 2



1

2 and 1

2 and –1


–2 and 1

Respuesta :

TheHero
TheHero TheHero
  • 03-02-2017
To find the x intercept set y = 0

x^2 + x  - 2 =0 

(x+2)(x-1) = 0

x = -2 , x = 1


Answer Link
The80sKid
The80sKid The80sKid
  • 06-02-2017
Your answer should be the last one, -2 and 1. Hope this helps!
Answer Link

Otras preguntas

Julie wrote this expression to describe the amount of money she will pay for tickets to the basketball game. t × 8 Which situation could be described by this ex
Which equation describes the relation indicated by the table? x = -2,0,4,6 y = 3,2,0, -1
What type of rhyme is represented in the following passage? "In a field by the river my lovee and I did stand, And on my leaning shoulder she laid her snow-wh
Joe denied being the father of Lisa. Lisa's mom took Joe to court to prove he is Lisa's biological father. The way to prove this would be by _____. recombinant
Ist the three states of matter in order of increasing molecular disorder.
Calculate the concentration of each solution in ppt: A. 12 grams of salt per 2-liters of solution. B. 0.5 grams of sugar per 1-liter of solution.
the answer to the question
Where is Odysseus in Book 1
What is the value of x? Leave answer in simplest radical form.
What is the sum? 2/x^2+4/x^2