thaliaperez145 thaliaperez145
  • 02-10-2018
  • Mathematics
contestada

Given x less than y, compare the following expressions and determine which is greater: 2x-y;2y-x. Explain your answer

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-10-2018

Let's form the difference of the two expressions and see what we can learn.

(2y -x) -(2x -y) = 2y -x -2x +y = 3y -3x = 3(y -x)

Since y > x, this is positive, so 2y -x is greater than 2x -y.

Answer Link

Otras preguntas

How do you derive the drift velocity equation (I = nAve)?
Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n
The empirical formula of styrene is CH; find the % composition for H and CH. How many atoms are present in a 2.00 gram sample of styrene? PLEASE HELP! THANK YO
If x=3 and y=-2 and z=4, what is the value of 3x + 2y - z?
Simplify (7-8i)+(-12-4i)
how did the constitution fix the problems for no executive branch?
simplify : 81s^2/36s^2
-2 (x-7)=-(2x+5) solve for x
If a=3 and b=5, what is the value of 3a + b to the power of 2?
Give an example of oxidation reaction which can be a nuisance