EOC Review Day 2

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Since January 1980, the population of the city of Brownville has grown according to the mathematical model y = 720,500(1.022)^x, where x is the number of years since January 1980. If the population continues to increase, what will it be in1995?

• 11,045,265

• 5,694,677

• 998,613

• 12,235

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y = 5000(0.7)^x

• y = 30(5000)^x

• y = 5000(1.3)^x

• y = 5000x^x

Calculate the average rate of change of x over the interval $2\le x\le4$  

• 6

• 1/6

• -6

• -1/6

Which equation best represents the relationship between x and y in the table shown?

• y=5x + 10
• y=1/5x+5
• y= 5x+5 
• y=10x+5

2 meter = __ centimeter

• 200 centimeter
• 2 centimeters
• 1 millimeter
• 100 millimeter

What is Mrs. Gordon's rate from 0 to 2 seconds?

• 2.5 feet per second
• .4 feet per second
• 5 feet per second
• .2 feet per second

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 1.91
• 52%
• 17%
• 35%