lilyedgar06 lilyedgar06
  • 03-08-2021
  • Mathematics
contestada

Find a and b such that ab = 15
and a+b = -8.

Respuesta :

doomdabomb
doomdabomb doomdabomb
  • 03-08-2021
Answer:

a = -3 or -5 and b = -5 or -3

Step-by-step explanation:

a + b = -8

ab = 15

b = 15/a

b = 15/(-3)

b = -5

a(-5) = 15

(-5)a = 15

(-5)/5 = 15/-5

a = -3

a + b = -8

-3 - 5 = -8

-8 = -8
Answer Link

Otras preguntas

3. What is the limit that an individual may contribute to one candidate? A. $10,000 B. $2600 C. $5500 D. There is no limit
If x varies directly as y and x= 18 when y =3 find x when y=7
Movement abilities is considered to be a part of what
According to VSEPR theory, the molecule PF6- has how many regions of electron density around the central atom (how many electron groups?) (enter a number from 1
I had 1 apple and then I ate it. How many do I have now?
A square prism has a base with a length of 23 centimeters. What is the area, in square centimeters, of the base of the prism?
the great society failed to live up to its promise for one simple reason vietnam assess the validity of this statement
In a arithmetic sequence with a^1=12, d=3 which term is equal to 159?
The sum of two numbers is 14. The first number is 2/5 of the second number. What are the numbers?​
Why can’t you measure Mount Everest from top to bottom