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

A bakery sold 111 cupcakes in one day. The head baker predicted he would sell 91 cupcakes that day. What was the percent error of the baker's prediction? 18.02%

Solve each system of linear equations by substitution. 3x - 2y = 9 y = 2x - 7 Pease show all steps

What made Boston a likely place for fighting to begin between colonists and British soldiers

When butter is heated it melts and when that melted butter cools and solidifies the process called

9^x=27^(x+2) how do I do that? I don't get how to do it with different bases

In the figure, a ‖ b and m∠1 = 34°. What is m∠7? __ °

15 liters increased by 60℅

I was the MVP of Super Bowl XLI. I attended the University of Tennessee and play the position of quarterback. Who am I?

Which biome is characterized by low annual rainfall, less than 26 centimeters (about 10-11 inches) per year?

What is Monachy? Hint: it is a type of government.