# Practice Exercises on Sets

Directions: Read each question below. You may draw a Venn diagram to help you find the answer. Select your answer by clicking on its button. Feedback to your answer is provided in the RESULTS BOX. If you make a mistake, rethink your answer, then choose a different button.

 1. Which of the following is sets is shown with roster notation? { q | -4 ≤ q < 3 } G = {letters in the English alphabet} X = {red, blue, yellow} None of the above. RESULTS BOX:
 2. Which of the following is true about set D listed below? D = {-3, -2, -1, 0, 1, 2, 3} -7  D  D is an infinite set. All of the above. RESULTS BOX:
 3. Which of the following is an infinite set? { x : x  ≥ 2 and x ≤ 6  } A = {letters in the English alphabet} B = {Asia, Africa, North America, South America, Antarctica, Europe, Australia} C = {integers} RESULTS BOX:
 4. Which of the following sets is equal to the set listed below? X = {2, 3, 5, 7, 11, 13, 17, 19} { x |  x ≥ 2 } Y = {prime numbers less than 20} Z = {odd numbers less than 20} All of the above. RESULTS BOX:
 5. Which of the following is not a subset of P? P = {c, l, e, a, r} Q = {e, a, r} R = {r, e, a, l} S = {l, e, a, r, n} T = {c, a, r, e} RESULTS BOX:
 6. If A = {types of triangles} and B = {types of trapezoids}, then which of the following is the universal set? = {polygons}  = {quadrilaterals}  = {hexagons} All of the above. RESULTS BOX:
 7. Which of the following is the correct set-builder notation for the set listed below? {-5, -4, -3, -2, -1, 0, 1, 2, 3, ...} { K | k > -5 } { q | q ≥ -5 } { x | x < 3 } All of the above. RESULTS BOX:
 8. In the Venn diagram below, If  = {students who attend The Smart School}, then which of the following is the complement of set A? A' = {students who do not attend The Smart School} A' = {students who attend the Not So Smart School} A' = {students who do not take the bus to school} None of the above. RESULTS BOX:
 9. Which of the following is represented by the shaded region in the Venn diagram below? X  Y X  Y X' All of the above. RESULTS BOX:
 10. Which of the following is represented by the shaded region in the Venn diagram below? X  Y X  Y X' All of the above. RESULTS BOX: