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

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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

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