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

Based on the excerpt, what does Monroe see as the role of the United States in Latin America? A. He thinks the United States should establish colonies. B. He th
My teacher needs this by today pls help me
Does (8,3) make the equation y x true? yes no
What are the two types of governments in Latin America?
In a fruit punch drink, the 3 ingredients are apple juice, orange juice and cranberry juice. If 2/7 of the drink is apple juice and 1/2 is orange juice then wri
What were three outcomes of the Battle of Gettysburg? Why is Gettysburg still remembered as a turning point in the Civil War?
State if the two triangles are congruent. If they are, state how you know
Help please! This is timed.
Given 1 cm3 = 1 mL What is the volume in cubic centimeters of a 500 ml beaker? cm3​
What is mood? a) The feelings or vibes brought out in the reader through an author's words and descriptions. c) The character traits of the protagonist and an