Zaraahmad Zaraahmad
  • 02-10-2016
  • Mathematics
contestada

Two numbers that multiply to minus 48 and add up to 13?

Respuesta :

texaschic101
texaschic101 texaschic101
  • 02-10-2016
a * b = -48
a + b = 13.....a = 13 - b

b(13 - b) = -48
-b^2 + 13b = -48
-b^2 + 13b + 48 = 0
(-b-3)(b - 16) = 0

-b - 3 = 0
-3 = b

b - 16 = 0
b = 16

ur numbers are : 16 and -3
Answer Link

Otras preguntas

The sum of 8 and a number is less than 15. Which of the following inequalities expresses the solution?
Can someone help me solve this? Pls and ty!
determine the scale factor for triangle abc to prime ^abc
If a cubic foot of stone weighs 150 lbs and a cubic foot of iron weighs 480 lbs, what fraction of the second weight is the first weight. 50 pts.
The credit remaining on a phone card (in dollors) is a linear function of the total calling trime made with the card ( in minutes). The remaining credit after 2
if cospheta =3/5 and pheta is located in the fourth quadrant, then sin2pheta=_____-8/2524/5-24/258/25​
4. The volume of a sphere is (4.0/3.0)rr3 and the surface area is 4.0rr2, where r is the radius of the sphere. Given the radius, design an algorithm that comput
Boulder is to pebble as statue is to _______________. figurine transparent translucent opaque
Select the correct answer from each drop-down menu. cholera is a bacterial infection of the small intestine. vaccination provides protection against cholera. th
A boat travels upstream for 42 miles in 3 hours and returns in 2 hours traveling downstream in a river. What is the rate of the boat in still water and the rate