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

When Mendel crossed two hybrid plants for stem height (Tt), what results did he always get?
What is the value the 0 in the number 601,099
Nitrogenous base that occurs in RNA but not in DNA (A) Deoxyribose (B) Ribose (C) Uracil (D) Cytosine (E) Thymine
How could you leave home on Monday to go sailing on the ocean,sail for 1 hour on Sunday,and return home on monday
What is one significant contribution from African Americans on American society and/or culture?
True or false? By the end of the last ice age, humans began the practice of agriculture.
One-third of a number, decreased by six equals eight. What is the number?
What causes a rockslide the quick movement of rocks down a slope ? Science
The core of an atom contains protons and __________.
Please help me on these questions, Thanks  29. Express six and three-fifths as an improper fraction.  30. Find the improper fraction that is equivalent to eight