SAT BIG BATTLE

Which of the following situations is best modeled by an exponential function?

• Each year, the number of people in a program decreases by 10% of the number of people in the program the preceding year

• Each year, the number of people in a program decreases by 20% of the original number of people in the program

• The number of people in a program is 10 fewer each year compared to the preceding year

• The number of people in a program decreases by 20 people each year

• 9

• 6

• 5

• 3

• 1.5

• 2/3

• 8

• 9

What is the slope of the line shown?

• 1/10

• 5

• -1/5

• 1/5

OABE and EFCD are squares with areas 25 and 9, respectively. Points B and C lie on a line l , which has an equation y = mx + b. What is the value of m?

• -3/2

• -2/3

• -3

• 3/2

• Median increases

• Median decreases

• Median remains the same

• There is not enough information to determine how the median changes

33 miles per gallon is approximately equal to how many kilometers per liter? (1 kilometer = 0.62 mile and 1 gallon = 3.79 liters)

• 14

• 78

• 202

• 5

The scatterplot shows 11 data values. Which equation is the most appropriate linear model for the data shown?

• y = 0.6x + 4

• y = 0.6 + 4x

• y = 4 + 1.6x

• y = 1.6 + 4x

The value of y is proportional to the value of x. For each increase in the value of x by 6, the value of y increases by 8. When the value of x increases by 12, what is the increase in the value of y?

In 2004, no one could have predicted that Facebook - started by just a few college drop-outs would become the tech-giant it is today.

• No change

• drop-outs;

• drop-outs,

• drop-outs -