dinonuggers420 dinonuggers420
  • 03-06-2022
  • Mathematics
contestada

Which is the x-value of the solution of the system of equations? y=3x^2+15 y=5x^2-17

A. x=±1 B. x=±2
C. x=±4 D. x=±16

Respuesta :

fieryanswererft
fieryanswererft fieryanswererft
  • 03-06-2022

Answer:

C. x = ±4

Explanation:

Given two equation's:

  1. y = 3x² + 15
  2. y = 5x² - 17

Solve them simultaneously:

 y       =       y

3x² + 15 = 5x² - 17

5x² - 3x² = 15 + 17

2x² = 32

x² = 16

x = ±√16

x = ±4

Answer Link

Otras preguntas

last week a share of stock gained a total of 1.64 points. express this gain as a mixed number in simplest form.
How do I solve a problem like this? m-4=2m
Which organic molecule is responsible for the insulation of internal organs against shock?
During digestion, why do you think it is necessary to break up the fat into tiny droplets?
The Nile begins as two separate rivers, the ___________ flowing from eastern Africa and the __________ from central Africa?
Does any body know 2v+7=3
How long did the Zhou dynasty rule?
the chemical reaction in which an element,such as iron, combines with oxygen to form an oxide is called
Ivan said that if a number end in 0 both 2 and 5 are factors of the number. Is he correct?why or why not
A town experiences a smaller earthquake several days after a large one. What has occurred?