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

In Western Europe, what city would you find at 53 degrees north and 0 degrees west
ben and cole have 36 airplanes models all together. ben has 8 more than cole. how many airplane models does ben have?
why would organisms break the bonds of organic compounds
Sally sold 1000987 hot dogs 3 years how many will she sell in 6 years
round 32.697 to the nearest hundredths
If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her children inherit the disorder?
what is the net force if you push a cart to the right with 5N of force and a friend pushes the cart to the left with 5N of force
What prevents a plant cell from bursting when it's full of water?
A single carbon atom can form a maximum of how many single covalent bonds
What is 3.2 x 10^-4 m/h in centimeters per second? a) 8.889 × 10^−6 cm/s b) 8.889 × 10^−5 cm/s c) 1.152 × 10^−5 cm/s d) 1.152 × 10^−7 cm/s