Pre Algebra Final Review #1

Which of the following equations has no solution?

Tags

CCSS.8.EE.C.7A

A bag contains 3 red, 2 blue, and 5 green marbles. If you pick one marble, replace it, and then pick another, what is the probability that both are blue?

Which of the following pairs of events are mutually exclusive?

• Rolling a 2 and rolling an even number on a die

• Drawing a red card and drawing a king from a deck of cards

• Flipping heads and flipping tails on the same coin toss

• Drawing a heart and drawing a face card from a deck

Tags

CCSS.HSS.CP.A.5

How many different 3-letter codes can be formed using the letters A, B, C, D, and E if no letter is repeated?

• 60

• 125

• 15

• 120

Tags

CCSS.7.EE.B.4B

Which equation has infinitely many solutions?

Tags

CCSS.8.EE.C.7A

A coin is flipped and a die is rolled. What is the probability of getting heads and a 6?

Which of the following best describes complementary events?

• Events that cannot happen at the same time

• Events whose probabilities add up to 1

• Events that are dependent on each other

• Events that have the same probability

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

If a restaurant offers 4 appetizers, 5 main courses, and 3 desserts, how many different meals (one of each) can be ordered?

• 12

• 60

• 20

• 15