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

15/30 divided by 15/15
where did girolamo savonarola go to school at?
Imagine that you are an adviser to either China’s emperor or Japan’s shogun. Write a letter advising the ruler whether you support a policy of isolation or eng
kyler ran 1/5 of a mile in 1 1/2 minutes how long will it take him to run 1/2 of a mile
__________ are unlearned, organized, involuntary responses that occur automatically in the presence of certain stimuli.
Simplify -9x + 5 + x
How did rising population help the industrial revolution develop?
Mrs. Barefoot signs her daughter up for dance lessons. She pays $120 for ten lessons and $65 for five lessons. What is the initial cost that Mrs. Barefoot must
Given the variables costOfBusRental and maxBusRiders of type int , write an expression corresponding to the cost per rider (assuming the bus is full). (Do not w
The point (2.5, 125) is on the graph but not in the table. The ratio of the y-coordinate to the x-coordinate