1 of 51 of 5 Items
Question
Multiple Choice
You have two boxes of colored pens. The first box contains a red pen, a blue pen, and a green pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that represents all the pens?
(1 point)
Responses
{red pen, blue pen, green pen}
{red pen, blue pen, green pen}
{red pen}
{red pen}
{red pen, red pen, green pen, yellow pen, black pen}
{red pen, red pen, green pen, yellow pen, black pen}
{red pen, blue pen, green pen, yellow pen, black pen}
{red pen, blue pen, green pen, yellow pen, black pen}
The correct answer is {red pen, blue pen, green pen, yellow pen, black pen}.
2 of 52 of 5 Items
Question
The bulk food section of a grocery store has two bins with different types of mixed nuts. The first bin contains walnuts, peanuts, and pistachios. The second bin contains pecans, almonds, Brazil nuts, and walnuts. What is a set that represents all the types of nuts in the bins?
(1 point)
Responses
{walnuts, peanuts, pistachios, pecans, almonds}
{walnuts, peanuts, pistachios, pecans, almonds}
{walnuts, peanuts, pistachios, pecans, almonds, Brazil nuts}
{walnuts, peanuts, pistachios, pecans, almonds, Brazil nuts}
{walnuts}
{walnuts}
{peanuts, pistachios}
The correct answer is {walnuts, peanuts, pistachios, pecans, almonds, Brazil nuts}.
3 of 53 of 5 Items
Question
For questions 3‒4, let X = {x | x is a whole number less than 15}, Y = { x | x is a multiple of 3 less than 15 }, Z = {x | x is a real number greater than or equal to 5.5}.
What is X∩Y?
(1 point)
Responses
{0, 3, 6, 9, 12}
{0, 3, 6, 9, 12}
{3, 6, 9, 12, 15}
{3, 6, 9, 12, 15}
{...,–6, –3, 0, 3, 6, 9,...}
{...,–6, –3, 0, 3, 6, 9,...}
{..., –6, –3, 0, 3, 6, 9, 12}
The correct answer is {0, 3, 6, 9, 12}.
4 of 54 of 5 Items
Question
What is XUY?
(1 point)
Responses
{0, 3, 6, 9, 12}
{0, 3, 6, 9, 12}
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}
{0, 3, 6, 9, 12, . . .}
{0, 3, 6, 9, 12, . . .}
{‒3, 0, 3, 6, 9, 12}
The correct answer is {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}.
5 of 55 of 5 Items
Question
A doctor is examining three patients. Which symptoms do all three patients have in common?
A Venn diagram is shown with 3 ovals.
In the first oval, "headaches" is shown outside the other two ovals.
In the overlap between the first and second oval but outside the third oval, "hair loss" is shown.
In the second oval outside the other two ovals "appetite loss" is shown.
In the overlap between the second and third ovals, but outside the first oval, "congestion" is shown.
In the third oval outside the other two oval "cold sweats" is shown.
In the overlap of the first and third ovals, but outside the second oval, "memory loss" is shown.
In the overlap of all three ovals, "fever," "tiredness," and "joint pain" are shown.
(1 point)
Responses
{headaches, hair loss, congestion}
{headaches, hair loss, congestion}
{cold sweats, congestion, memory loss}
{cold sweats, congestion, memory loss}
{spasms, memory loss, appetite loss}
{spasms, memory loss, appetite loss}
{fever, joint pain, tiredness}