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

Read the excerpt below, then answer the question. One day in spring four men were riding on horseback along a country road. These men were lawyers, and they wer
what is a abscisic acid​
The Password A man wanted to encrypt his password but he needed to do it in a way so that he could remember it. His password is 7 characters long. The password
Find the product. Express answer in standard form. (x – - 4)(3x² + 4x – 4)
A Choose the correct answer with the present form.1 Our family __________ dinner together every evening. I think it’s important. A. have B. hasC. is having D.
When Mr Hong Jun left school to become a primary school teacher, it was by no ___ easy to find a job; he, therefore, decided to go abroad as a volunteer teacher
I _______dinner at home unless you ______ to eat out. We can enjoy dinner at home.​
What is the domain of f(x) = 5x – 7? {x | x > –7} {x | x < –7} {x | x > 0} {x | x is a real number}
A covered wagon on the Oregon Trail could travel about 2.5 miles per hour on flat terrain. About how many miles could it travel in 9 hours?
Which word describes the relationship of the points (3, 1) and (3, 6)? OA) collinear OB) parallel C) perpendicular OD) coincident