22033522 22033522
  • 25-10-2021
  • Mathematics
contestada

solve the following system using substitution y=x^2+8x+12, y=-2x-13

Respuesta :

VirαtKσhli
VirαtKσhli VirαtKσhli
  • 25-10-2021

Step-by-step explanation:

Given equations :-

  1. y = x²+ 8x + 12
  2. y = 2x - 13

Substitute (2) in (1) :-

  • 2x - 13 = x² + 8x +12
  • x² + 8x + 12 - 2x + 13 = 0
  • x² + 6x + 25 = 0
  • x = -6±√6²-4*1*25 /2*1
  • x = -6 ±√36-100/2
  • x = -6±√-64 / 2
  • x = -6 ± 8i / 2
  • x = -3 ±4i
Answer Link

Otras preguntas

Which Hispanic leader and civil rights advocate founded the National Farm Workers Association to promote right through nonviolent means?
Linda is having a bake sale. She has 48 chocolate chip cookies and 64 vanilla wafer cookies to put in bags. How many bags can she fill if she puts the same numb
what is climate change
Write the equation of the line with a slope of 17 and passing through the point (0,0)
A biker rode 45 miles in 180 minutes. At what speed (in miles per hour) was the biker travelling? A. 4 B. 17 C. 9 D. 12
Which of the following statements is NOT consistent with evolution by natural selection? a. Natural selection can lead to speciation. b. Certain individuals in
What was a chief cause of the rising prices of the 1970s?
The student government snack shop sold 32 items this week
Use the dot product to find |v| when v=(-8,2)
If Tonya bought 1/6 pounds of bologna and 3/8 pounds of ham and 2/4 pound turkey and that cost $5.99 what is the total number of pounds of meat processed