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

In an experiment, a rectangular block with height h is allowed to float in two separate liquids. In the first liquid, which is water, it floats fully submerged.
Explain the presence of xoloitzcuintlis in Indian burial mounds.
The thallium Subscript 81 Superscript 208 Baseline Tl nucleus is radioactive, with a half-life of 3.053 min. At a given instant, the activity of a certain sampl
What is a decrease in the general level of the prices of goods and services
The cost for a company to produce x t-shirts can be modeled by C(x) = 21x-98 and the revenue for selling these shirts can be modeled by R(x) = 55 x-2x. Which fu
What happened to many loyalists following the American Revolution?A. They received jobs in the new government.B. They were imprisoned in American jails.C. They
Necesito papel(i need paper)para___.
You are creating a costume for a Victorian-era play. You need to design a ball gown, but the actress needs to be able to change in and out of this dress quickly
What is a revisionist interpretation mean in history?
a has a coordinate (-2,4). B has a coordinate (9,11). find the coordinate of point p has a p that partion AB into a ratio 3:4