The average height of a 2-year old
boy is 36 inches, and the average
growth rate per year is 2.2 inches.
Write an equation in point-slope form
that describes the height of a boy y
based on his age x
Select one:
a. y - 2 = 2.2(x-36)
b. y - 36 = 2.2(x-2)
c. y - 2.2 = 2(x-36)
d. y - 36 = 2(x-2.2)

Question

The average height of a 2-year old
boy is 36 inches, and the average
growth rate per year is 2.2 inches.
Write an equation in point-slope form
that describes the height of a boy y
based on his age x
Select one:
 a. y - 2 = 2.2(x-36)
 b. y - 36 = 2.2(x-2)
 c. y - 2.2 = 2(x-36)
 d. y - 36 = 2(x-2.2)

ash2326 · Answer

Average height of a 2 year old is 36 cm
and growth rate of 2.2 inches/year
Suppose a baby's age is x
if x =2, then its height would be 36
if x>2 then its height would be 36+ 2.2* (x-2)
Do you agree ? @Ashley1998

anonymous · Answer

yes i do

ash2326 · Answer

So let the height be y
$$y=36+2.2\times(x-2)$$
Can you find the correct option ?