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

why were the nile cataracts a problem for kush?A() their trading boats were unable to go past themB() many soldiers died on themC() they cut kush off of trading

how is ruminants stomach different from human stomach?

Solve and explain your "main thinking" 9+7

Mary has $ 160. She is buying beads for a necklace that cost $ 4 each. Use this information to answer questions 5 –6. 5. Write an equation showing the relatio

what is the area of the irregular pentagon a. 43 b. 105C) 108 in2 D) 114 in2

10 11 10 y 10 8 If the mean is 10 what number could y be?

Help pls!!! And pls show the work!!!

Seth wants his friend George to ride bikes with him after school, but George wants to do homework together. What kind of conflict is this? character versus

Complete the point - slope equation of the line through (-8,8) and (1,10)

Evaluate each expression if a = 9, b = 3, and c=1/3 19+6a divided by 2.