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

If a boat travels 20 km in 3 h due north, what is the boat’s average velocity?
Rewrite 9•9 in exponential form
Solve 5 vx - 6 = -20 O x= -10 O x = 10 O x = 22 No solution
What cell phones were used in the 2000s? Be descriptive.
Describe the relationship between nitrogen, oxygen and air. Be as specific and as thorough as possible.
Frogs are primary and secondary consumers or secondary and tertiary consumers?
A catering business charges $50 to cater a meal for an event. The business also charges $12.50 per person for dinners that include chicken and $14.00 per person
A bag contains three types of candy (gumdrops, jelly beans, and jawbreakers). If chosen at random, the probability of getting a gumdrop is, and the probability
At the beginning of the day the stock market goes down 50 1/2 points and stays at this level for most of the day. At the end of the day the stock market goes up
Can you unscramble all the words below? Hint: They all start with the letter C. RABCNO 1. I'm an element with 6 protons. OMASPCS 2. I can help you if you're los