Question

31001-1-9

22. An integer is quartered, and the result is squared. To this five is added to create a sum
that equals nine. Write an equation and solve to determine the possible values of the
integer.

Answer 1

Explanation:

x = integer now 'quarter it'

1/4 x Now square it

(1/4x)^2 add five

(1/4x)^2 + 5 = 9 solve for x

(1/4 x)^2 ) = 4

1/16 x^2 = 4

x^2 = 64

x = ± 8