paige7181
paige7181 paige7181
  • 20-06-2019
  • Mathematics
contestada

Solve the system of equations.
y= 2x
y= x^2 - 15

Respuesta :

Mathhisfunn101
Mathhisfunn101 Mathhisfunn101
  • 23-06-2019

Answer:

Since both equations are equal to each other given that they are both equal to y, you can say that . . .

2x = x^2  - 15

x^2 - 2x - 15 = 0

(x-5) (x+3) = 0

Zero Product Property

x = 5 ; x = -3

Solve for y:

y = 2(5) ; y = 2(3)

y = 10 ; y = 6

Please mark for Brainliest!! :D Thanks!!

For more questions or more information, please comment below!

Answer Link

Otras preguntas

for bowmaian000 please check
You, being a supplier of steak dinners, opened your steak house. Assume the market-clearing price is $20 and the market clearing quantity is 500 for a steak din
An object is in motion if ___
Can someone please help me asap ill mark brainlist + extra points!!!!!
Im making a movie about a girl waking up from a colma. How should she get the colma?
What are five possible reasons for taking supplements or drugs as part of a workout regiment?
i need help with this math question
PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
Please help me for brainliest
which angles are equal? pls answer quick im going insane