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

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

06-02-2017

Your answer should be the last one, -2 and 1. Hope this helps!

Answer Link

Otras preguntas

what is the sum of the first 12 terms of the geometric series 200+100+50+25+...

Why did the Spanish of St. Augustine attack the French Huguenots of Fort Caroline?

Who is better Michealangelo the ninja turtle or Speed Slaver the car This is part of a survey that I need for work.

What is the area of the shaded region? A. 21 mm squared B. 24 mm squared C. 42 mm squared D. 48 mm squared

An ethnic group originating and remaining in an area subject to colonization is called _____?

short biography about Pablo Picasso?

the work done by a force acting through a distance.

The fraction, in hundredths,that is equivalent to 9/10

Our Sun is an "average" star. What's its stellar evolution A. Red giant, Planetary Nebula, White Dwarf B. Red Supergiant, Supernova, Black Hole or Neutron st

The useful life of a radial tire is normally distributed with a mean of 30,000 miles and a standard deviation of 5000 miles. The company makes 10,000 tires a mo