kcperkins420 kcperkins420

01-03-2018
Mathematics

contestada

What is the equation of the line that passes through the points (−2,1) and (4,5) in the Cartesian coordinate plane?

Respuesta :

galinasem2 galinasem2

01-03-2018

The straight line is given by the equation
y=kx+b
We substitute coordinates of points
1=-2k+b (1)
5=4k+b (2)
We give a system of equations
Solution of this system:
(1) b=1+2k
(2) 5=4k+1+2k
6k=4
k=2/3
b=1+4/3=7/3
y=2/3x+7/3

Answer Link

Otras preguntas

Which lines in this excerpt from Book 12 of Homer's Odyssey reveal that the monster Scylla cannot be defeated in battle, even by a great warrior such as Ulysses

Which factor led to the development of civilizations in ancient Mesopotamia?

Which situation best accounts for the differences in federal income and spending between 1928 and 1936, as shown in the graph?

Solve the equation g+4/g-2 = g-5/g-8

If you exercise too hard too often,you might run the run the risk of

What is density? Can density be used to identify an unknown substance?

How do I make my own extension for chrome?

Identify the phrase in this sentence. The cheetah runs quickly after the gazelle. A. The cheetah runs B. after the gazelle C. the gazelle D. The cheeta

A sail on a sailboat is a triangle with two sides perpendicular and each side is a different length. What are the two terms that could be used to describe the s

The measurement of a rectangular dam are:length =60-2x width=2x depth=x/2 determine the volume of the damin terms of x