Mathematics MathCount qualifying Round Quiz

What is the median of the following numbers: 529.14, 529.12, 529.13, 529.15, 529.16, 529.14? Express your answer as a decimal to the nearest hundredth.

• 529.14

• 529.13

• 529.15

• 529.16

Two lines are graphed on the coordinate grid shown. What are the coordinates of the intersection of the two lines? Express your answer as an ordered pair.

• (2,3)

• (3, 4)

• (5, 6)

• (7, 8)

What is the absolute difference between -3²and (-3)²?

• 0

• 6

• 9

• 18

If f(x) = 2^x + 5 , what is the value of f(4)?

• 19

• 21

• 25

• 23

What is the perimeter of the square shown here with area 9 cm²?

• 12 cm

• 9 cm

• 18 cm

• 15 cm

If 3b + 12 + 7 = 5b + 11, what is the value of b?

• b = 4

• b = 3

• b = 5

• b = 2

A heptadecagon is a 17-sided polygon. If a regular heptadecagon has perimeter 306 cm, what is its side length?

• 18 cm

• 20 cm

• 15 cm

• 22 cm

Vinnie is ordering a 2-topping pizza, and the table shows the three choices of meat and five choices of vegetable toppings offered. How many different combinations of one meat topping and one vegetable topping are there?

• 15 combinations

• 8 combinations

• 10 combinations

• 12 combinations

The number (5√2)² is the square root of which positive integer?

• 10

• 25

• 20

• 50

Mr. Juarez can type 84 words per minute. How many words can Mr. Juarez type in 2 minutes and 30 seconds?

• 200 words

• 180 words

• 210 words

• 220 words