o3405163 o3405163
  • 14-12-2018
  • Mathematics
contestada

Use the discrimant to determine the number of real roots of M(x)= -4x^2+x+1?

Respuesta :

frika
frika frika
  • 17-12-2018

Answer:

two real different roots

Step-by-step explanation:

Consider polynomial function

[tex]M(x)=-4x^2+x+1.[/tex]

The discriminant is

[tex]D=b^2-4ac=1^2-4\cdot (-4)\cdot 1=1+16=17.[/tex]

Since [tex]D>0,[/tex] the polynomial function [tex]M(x)[/tex] has two real different roots.

Answer Link

Otras preguntas

estimate the product then chose a method 96×34
katie and carol bought toys for charity toy drive.katie bought 125 dolls for 13$ each. carol bought 65 toy boats for 32$ each.who spent more money altogher
how is the underlined pronound used in the sentence? I stood at the end of the long line
What is contingency planning and how is it different from routine management planning?
help me step by step 6×+5=29
Is there any relationship between acupuncture and infectious diseases? I need a link ... please help me...
answer the question in the image
a. Convert 21.0 cm to inches. Show your dimensional analysis setup. b. Convert 29.7 cm to inches. Show your dimensional analysis setup. c. State the dimensions
Is y a function of x? 9y-3x-4=0
Suppose that a local area network requires seven letters for user names.​ lower- and uppercase letters are considered the same. how many user names are possible