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

solve for x: 2x^2+4x-16+=0
What two factors determine the state of rocks and metals Inside the earth?
Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order
1. What is the respiratory structure of a millipede? A. book lungs B. tracheal tube C. gill slits 2. what is the respiratory structure of a spider? A. gills B.
how do i round 3,176 to the nearest thousand
why did  the volcano explode
How many heart chambers does a shark have?
what does the zeppelin
name the four southwestern states where many Mexicans lived originally or settled
which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )