Zaraahmad Zaraahmad
  • 01-10-2016
  • Mathematics
contestada

Two number that multiply to 24 and add up to minus 11

Respuesta :

caylus
caylus caylus
  • 01-10-2016
Hello,

Let's x and y the 2 numbers

x*y=24
x+y=-11==>x=-11-y
==> (-11-y)y=24
==>-11y-y²-24=0
==>y²+11y+24=0
Δ==11²-4*24=25=5²
y=(-11+5)/2 or y=(-11-5)/2
==>(y=-3 and x=-11+3) or (y=-8 and x=-11+8)

Sol={(-8,-3),(-3,-8)}

The 2 numbers are -3 et -8.

Answer Link
puppysmile
puppysmile puppysmile
  • 02-10-2016
6*4=24
24+11=240 I think?
Hope that it helps you?
Answer Link

Otras preguntas

A scientist begins working by trying to explain a natural occurrence that is
what equal 6 when you divide by 3
what is 10% of 400.00
How do work this problem 1/10 of 90 is
What is a term for the practice of burning forest in order to clear land for planting?
Is 36/54 the same as 48/72?
Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her
The lobe(s) that take(s) the heaviest hit in a traumatic brain injury is /are the ________ lobes a) frontal lobe only b) frontal and temporal lobes c) temporal
Which of the following are true of Paris? Select all that apply. He survived an early attempt on his life. He was raised by a servant and became a shepherd. He
Why 4/10 is equivalent 4/100