alyruth06
alyruth06 alyruth06
  • 01-05-2021
  • Mathematics
contestada

i need help pleeeeeeeeeease

i need help pleeeeeeeeeease class=

Respuesta :

Estellia
Estellia Estellia
  • 01-05-2021

Answer:

D. 140

Step-by-step explanation:

In the equation, [tex]ax^2+bx+c=0,[/tex] the discriminant can be found with [tex]b^2-4ac[/tex].

In this equation,

the discriminant would be: [tex](-10)^2-4(2)(-5)=100+40=140[/tex]

Answer Link
mj3mar
mj3mar mj3mar
  • 01-05-2021

Answer:

D. 140

Step-by-step explanation:

D = b² - 4ac

So, let's identify our values.

a = 2

b = -10

c = -5

Now, we can plug in our values.

D = -10² - 4(2)(-5)

D = 100 + 40

D = 140

Answer Link

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