melissadomingooszuy6 melissadomingooszuy6
  • 12-07-2017
  • Mathematics
contestada

What is the solution set for the open sentence with the given replacement set? x2 + 2 = x + 8, {1, 3, 4, 5}

Respuesta :

bcalle
bcalle bcalle
  • 12-07-2017
x^2 + 2 = x + 8
x^2 - x + 2 - 8 = 0
x^2 - x - 6 = 0
Input 1 => 1^2 - 1 - 6 = 1 - 1 - 6 = -6
Input 3 => 3^2 - 3 - 6 = 9 - 3 - 6 = 0
Input 4 => 4^2 - 4 - 6 = 16 - 4 - 6 = 6
Input 5 => 5^2 - 5 - 6 = 25 - 5 - 6 = 14

Solution set { -6, 0, 6, 14}
Answer Link

Otras preguntas

witch type of heterotroph best discribes a snake
cuales son las clases de ondas de radio
1) True or False: Only a globe can accurately represent size, shape, distance, and direction of landmasses on Earth.
help me pls omg pls The shelf has 15 3/4 pounds of beans. She stacks them in freezer bags that weigh 2 1/4 pounds each. How many freezer bags of beans does the
PLEASE HELP. Is the following sentence true or false? When a river slows down and depositsgits sediment load, smaller particles of sediment are deposited first.
Which philosophy of government is part of the Declaration of Independence? O People must support the government even if they dislike it. O Men and women are equ
Someone plz help me :(
The city of New Orleans is a site along the Mississippi River and is ______ as a major port for offshore petroleum production in the Gulf of Mexico? а) located
What are the ways to check if communication has been understood?
What Enlightenment principle does this quote best reflect? separation of powers unalienable rights social contract religious freedom