Seudónimo Seudónimo
  • 07-06-2020
  • Mathematics
contestada

MULTIPLE CHOICE:
What is the discriminant of the quadratic equation 2x^2+8x−5=0

A. 104
B. -24
C. -104
D. 24

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 07-06-2020

Answer:

104

Step-by-step explanation:

2x^2+8x−5=0

This is written in the form

ax^2 + bx+c

a =2  b = 8   c=-5

The discriminant is

b^2 -4ac

8^2 - 4(2)(-5)

64 + 40

104

The discriminant is 104

Answer Link

Otras preguntas

A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the pric
What are the sides of the DNA ladder made of?
What did the Egyptians call the area that we now call Sudan?
what is aas congruence?
What are the sides of the DNA ladder made of?
you hav designed a picture that is shaped as a square. the dimensions of your picture  are 6x6in. you want to make it into a poster with dimensions 13x13in. the
Find the LCM of 8,9, and 12
determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. Find all solutions whenever they exis
What did the Egyptians call the area that we now call Sudan?
Find the LCM of 8,9, and 12