Doggo1111
Doggo1111 Doggo1111
  • 13-03-2018
  • Mathematics
contestada

what is the intersection points of f(x)=2x+7 and g(x)=x^2-1

Respuesta :

tynollette tynollette
  • 13-03-2018
intersecting means f(x)=g(x)
2x+7=x²-1
x²-2x-8=0
(x-4)(x+2)=0
x=4, or x=-2
when x=4, f(x)=g(x)=15
when x=-2, f(x)=g(x)=3
so the intersecting points are (4, 15) and (-2, 3)
Answer Link

Otras preguntas

Who commissioned simple melodies for the new Protestant church?
What is 10/11 times 11/12
What's one similarity between the Mayans and ancient Egyptians was?
2^4 X 4^-2 please help give step by step
Which are the 2 organs of the digestive system that make the digestive juices?
What is the MOST accurate statement about the veterans of in another country?
the enlightenment was an age of inquiry based on
what us the roll of family memebrs in assiting in the process of making informed decisions about starting you own business
What is the role of dna fingerpringing in criminal investigations?
How did the political parties affect voter turnout when they were stronger?