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

which of the following sentences demonstrates the correct use of an apostrophe when expressing the possessive form of a plural noun? A. Now I know my ABCs' B. C
12. According to the National Institute of Health, peripheral arterial disease (PAD) happens when there is a narrowing of the blood vessels outside of your hear
Why are bacteria a necessary part of the nitrogen cycle
Show that 9 x 2.8 is 25.2
What is the tone of this poem? what does the tone reveal about the speaker of the poem and the conflict she faces ? based on this excertp what can you predict a
Building a new mall in your area-what would be the input-the conversion, and the output?
The number N of aluminum cans used each year varies directly as the number of people P using the cans. If 53 people use 11,872 cans in one​ year, how many cans
Why does romeo want to avoid fighting tybalt?
Why might president hoover have been opposed to the government trying to fix the broken economy?
Although si is an insulator then how does it behave as semiconductor upon heating