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

Why does Framton run off without saying good-bye? He is afraid of dogs. He must rush to the doctors. He is angry with the child. He thinks he sees ghosts.
Annie is a nutritionist. She is conducting seminars about following a healthy diet in various offices. Annie adds a picture of fruit in a document. She wants to
1. What runs horizontally and is identified with numbers?
In the past month, Linda rented 1 video game and 6 DVDs. The rental price for the video game was $ 2.80 . The rental price for each DVD was $ 4.30 . What is
Asteroids are between 1000 km and less than 10 m in diameter. What is the diameter of most asteroids?
Three cards are chosen from a standard deck of 52 playing cards with replacement. What is the probability that every card will be a heart
find the quotient 2^14/2^7
Nina heard that as a general rule she should spend no more than one weeks pay on rent if you need us pay is 27,600 per year what is the maximum amount per month
serval devices devolped by thomas edison ked to
if a girl worked for 5 hours a day and gets payed $9 dollars an hour how many hours does she have to work to get 2,000 dollars