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?