Prove: The square of a number that is two more than a multiple of 3 is one more
than a multiple of 3.
=
(3n + 2)2 = [ ? ]n2 + [ ]n +
= [ ]n2 + [ ]n +
In + [ ] +1
= [][]n2 + []n + [])+1
= 1 more than a multiple of 3

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis