math jeopardy

Statistics

100

How do you calculate the mean of a problem?

Add all of the numbers up and divide by how many there are.

200

What is standard deviation?

The average distance from the mean

300

Find the mean and the outlier. 

1,2,2,4,7,11,15,15,18,27

mean= 10.2

outlier= 27

400

Find the IQR

5,5,6,6,7,7,8,8,9,9

Q1= 6

Q3=8

IQR= 2

500

Find mean and outlier

1,2,4,7,7,11,12,14,18,18,21,29

mean= 13.09

outlier= 29

functions

100

solve

3X-(X-4)=18

7

200

f(x)= 3X-7 find f(4)

0

300

if g(x) = 2x² -4 find g(-2)

4

400

f(x) = 2(3^x)+1 whats f(2)

19

500

which of the following cant be a definition of a function 1(1,5) (2,7) (2,9)   2(1,1) (2,7) (3,11)    3 (6,8) (7,0) (2,8)   4 (6,8) (1,2) (3,9)

1

polynomials

100

what is 7x² -3x + 2 Trinomial or a binomial

Trinomial

200

solve  3x³ X 4x⁵

12x⁸

300

       solve     6x(2x+3)

12x² +18x

400

solve (3x-4) - (5x-3)

-2x-1

500

(2x+3)(3x-1)

6x²+7x-3

quadratics

100

what's the standard form for quadratics?

y=ax²+bx+c

200

does y=-4x² have a maximum or minimum value?

maximum

300

a parabola upside down when a is:

negative

400

whats the formula to find the vertex of a parabola?

h= -b/2a

500

determine the vertex of the parabola: y=5x² -20x=13

(2,-7)

word problems

100

Miles bought four new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only twenty nine cards left. how many cards did Miles start with?

54

200

charlie had 207 dollars to spend on nine books. After buying them he had 18$. How much did each book cost.

21$

300

1. The length of a rectangular sign is 6 inches more than half its width. The area of this sign is 432 square inches. Write an equation in one variable that could be used to find the number of inches in the dimensions of this sign. Solve this equation algebraically to determine the dimensions of this sign, in inches.

l= 24

w=18

400

1. The math department needs to buy new textbooks and laptops for the computer science classroom. The textbooks cost $116.00 each, and the laptops cost 439.00 each. If the math department has $6500 to spend and purchases 30 textbooks how many laptops can they buy.

6 laptops

500

1. Marilyn collects old dolls. She purchased a doll for $450. Research shows this doll’s value will increase by2.5% each year. Write an equation that determines the value,V, of the doll t years after purchase. Assuming The doll's rate of appreciation remains the same, will the doll's value double in 20 years? Justify your reasoning.

no because its 737 and that is not double