Let X and Y be the following sets: X={15, 9, 11}
Y={11, 9, 2}
Which of the following is the set X∩Y?

Choose one:

a. {9,11}

b.{2,9,11,15}

c.{ }

d. {2,15}

Choose all answers that apply: a) ab and a’b’ are one the same line. b) quadrilaterals abcd and a’ b’ c’ d’ have the same perimeters. c) points a and a’ have the same coordinates. d) none of the above

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Which of the following contains a variable?