wdhernandez216 wdhernandez216

06-08-2021
Mathematics

contestada

How many x intercepts does the graph of y=2x^2+4x-2have

Respuesta :

etelkatothfarkas etelkatothfarkas

06-08-2021

Answer:

2

Step-by-step explanation:

x intercepts are at y=0

therefore

0= 2x^2+4x-2

Simplify by 2

0=x^2+2x-1

the determinant

D= 2^2 - 4 (1)(-2) = 4 + 8 = 12 > 0

therefore the graph has two intercepts

Answer Link

Otras preguntas

Identify and discuss the basic ideas of capitalist and command economics

The ____ operator allows you to search for a range of values in one field.

What are three ways a city can reduce the effects of an earthquake? ☺

Place where two or more bones are connected

________ of secondhand smoke can be harmful. a. Even low levels b. Only high levels c. Neither of the above d. Both A and B

Weakness in software can be more quickly uncovered and exploited with new software tools and techniques. True False

how do different kinds of cells develop in an embryo

When her grandmother comes to live with them, (its/it's) hard for Stacey to adjust. a. its b. it’s

A problem at work must be handled the same way as a personal conflict.

rename the number 82000