Question

a cylinder has a radius of 5x + 2 and a height of 2x +8 which polynomial in standard form best describes the total volume of the cylinder ?

use the formula V=pi r^2h for the volume of a cylinder

Answer 1

pi*(5x+2)*(5x+2)*(2x+8)

Answer 2

can i add (5x+2) with (5x+2)?? and then multiply it ?

Answer 3

no

Answer 4

formula is pi*r*r*h=pi*r^2*h

Answer 5

+==>addition
*==>multiplication.

Answer 6

so pi times the radius ?

Answer 7

yes

Answer 8

what about 2x+8 ???

Answer 9

v=pi times radius squared times height.

Answer 10

oh ok you have to square it too

Answer 11

yes

Answer 12

so , (5x+2^2 ) X (2x+8)

Answer 13

pi X ((5x+2 )^2) X (2x+8)