Session 1 (Taylor) Math

Which expression is equivalent to 2.1 (x+2) + 3x -7?

• -0.9x +11.2

• 5.1x - 11.2

• -0.9x- 2.8

• 5.1x -2.8

 At 6:00 a.m the temperature of a city was 64 degrees Fahrenheit. At 3:00 p.m the temperature was 12 degrees warmer. How much would the temperature have to change to get back to the same temperature it was at 6:00 am?

• -52 degrees Farenheit

• -12 degrees Farenheit

• 12 degrees Farenheit

• 1. +76 degrees Farenheit

Which situation can be represented by the equation -4(5) = -20

• Marilyn studied for a test for 4 hours after school each of the last 5 days.

• Amanda earned $4 for each of the 5 drawings she made

• The cost of football tickets increased $4 each of the last 5 years

• The temperature decreased 4 degrees each hour for 5 hours

Which situation describes quantities that combine to make zero?

• A football team was penalized and had to move backward 5 yards. On the next play the team moved forward 10 yards.

• An elevator starts on the 5th floor and goes up 4 floors. From there, the elevator goes down 5 floors.

• A player moves a game piece forward 6 spaces. On the player’s next turn, the same piece is moved back 6 spaces.

• A truck driver travels 40 miles east before stopping for lunch. The driver then travels another 40 miles east.

A vehicle uses 2.4 gallons of gasoline to travel 19.2 miles. At this rate, how many miles can the vehicle travel per gallon of gasoline?

• 8.0

• 46.08

• 16.8

• 21.6

Select the two events with a probability of 0.5

• Rolling an even number on a fair number cube with faces numbered 1 through 6

• Randomly selecting an odd number from a list of integers from 1 to 9

• Rolling a 5 on a fair number cube with faces numbered 1 through 6

• 1. Randomly selecting a girl from a group of 5 girls and 10 boys

• Getting tails when flipping a coin

A circle has a circumference of 16 π units. What is the area, in square units of the circle?

• 8π

• 64π

• 128π

• 256π

Mr. Jenkins identified his third period math class as a population. Select the three ways that Mr. Jenkins could make a sample of his third period math students. 

• All of the students in the school

• All of the students who sit on the front row

• All of Mr. Jenkins math students throughout the day

• All of the students who have pets

• All of the students who play in the band

A pizza restaurant sold 150 pizzas on Monday. A worker recorded that in a sample of 30 pizzas sold, 21 were sausage pizzas. Based on the worker’s sample, about how many of the pizzas sold on Monday were sausage pizzas?

• 21

• 70

• 45

• 105

A standard six-sided number cube is rolled one time. What is the probability that a four is rolled?

• 1/6

• 1/4

• 1/5

• 2/3