Mrisley Mrisley
  • 04-05-2014
  • Mathematics
contestada

What are 2 numbers that when multiplied together you get 360 and when added together you get -96

Respuesta :

crisforp
crisforp crisforp
  • 04-05-2014
x + y = -96;
x * y = 360;

[tex] t^{2} + 96t + 720 = 0[/tex];
Δ = [tex] 96^{2} - 4 * 720 = 6336 [/tex] => sqrt(Δ) = 79.6;
=> x = ( - b +  sqrt(Δ) ) / 2a => x = ( -96 + 79.6 ) / 2 ≈ - 8.2;
=> y =  ( - b -  sqrt(Δ) ) / 2a => x = ( -96 - 79.6 ) / 2 ≈ - 87.8;
Answer Link

Otras preguntas

Describe the next figure in each pattern. Then draw the figure
According to socialist theory, what contributed to the economic gap between the rich and the poor?
Nearly 50% of water sources in the United States are believed to be polluted. true or false?
What makes Holden depressed in Catcher in the Rye? Can you give a page number and quotation?
Sid wrote 541,309 on his paper. Using words and numbers explain how the number would change if he switched the digits in the hundred thousands and tens place
Alicia has 32 stickers. This is 4 times as many stickers as Benita has.  How many stickers does Benita have?
what is the value of 9 in 26.219
A football team lost 5 yards on each of 3 plays. Explain how you could use a number line to find the teams change in field position after the 3 plays.
What does "sometimes lies were more dependable than truth." mean?
What was the famous home Thomas Jefferson built called?