keannaspam7 keannaspam7
  • 04-08-2020
  • Mathematics
contestada

Solve the following non-linear system of equations algebraically.
y = - 2x² - 4x + 5 and
y = 2x^2 + 4x + 5

Respuesta :

raskolnikov
raskolnikov raskolnikov
  • 04-08-2020

Answer:

x = -2

Step-by-step explanation:

since y is common in both equations, you can equate them to be equal

-2x² - 4x + 5 = 2x² + 4x + 5

4x² + 8x = 0

factor out 4x

4x(x + 2) = 0

divide both sides by 4x

x + 2 = 0

x = -2

Answer Link

Otras preguntas

What are the answers to these 3?
A box is 4 m in the air and has 120 J of potential energy. What is the box's mass
What’s the slope of 6x-y=-4
if f(x)=3^x + 10x and g(x)= 2x - 4 find (f-g)(x) A: 3^x + 12x -4 B: 15x - 4 C: 3^x - 8x+4 D:3^x + 8x+4
What was hitlers final solution to the Jewish problem? Creating a Jewish master race Deporting jews to the United States Isolating Jews from other Europeans by
What is the best reason why the French and Indian war led to the American revolution
DNA is made up of many smaller molecules called _____. A. chromosomes B. nucleic acids C. nucleotides D. phosphates
Adenoviruses can cause many mild clinical conditions in humans what are three
Which activity is part of the prewriting process?
Describe the alternative energy source that you chose. Where is that energy produced? How is that energy produced? ( be specific) What are the advantages and di