Double Jeopardy, Unit 1

Least To Greatest

200

-sqrt49, -6.8, 2, sqrt3, 1.58

What is 

-sqrt49, -6.8, 1.58, sqrt3, 2

400

1.25, sqrt11, -0.3, 0, -sqrt4

What is 

-sqrt4, -0.3, 0, 1.25, sqrt11

600

-5/3, -2, 3, 1/2, -1.07

What is 

-2, -5/3, -1.07, 1/2, 3

800

sqrt15, -4.3, 4.2, 0, -sqrt25

What is 

-sqrt25, -4.3, sqrt15, 0, 4.2

1000

sqrt15, 7, 1^2, -sqrt12, 0.42

What is 

-sqrt12, 0.42, 1^2, sqrt15, 7

Simplify

200

(24x - 40)/8

What is 

3x - 5

400

(-36m + 18)/6

What is 

-6m + 3

600

(-18n - 9)/-9

What is 

2n + 1

800

-9(y - 7)

What is 

-9y + 63

1000

8(x-4) - 10x

What is 

-2x - 32

Word Problems

200

The revenue from sales of digital pianos in the United States was $152.4 million in 2001 and $149.0 million in 2002.  Find the change in revenue from 2001 to 2002.

What is -$3.4 million

400

An elevator moves at a rate of -5.8 feet per second from a height of 300 feet above the ground.  It takes 3 seconds for the elevator to make its first stop.  How many feet above the ground is the elevator now?

What is 282.6 feet

600

The low temperatures for Montreal, Quebec, in Canada on February 12 for each year during the period 2000-2004 are -6.7⁰F, -4.2⁰F, 4.1⁰F, -3.6⁰F, and 0.3⁰F. Find the mean of the temperatures.

What is -2.02⁰F

800

The water level of a swimming pool is 3.3 feet and changes at an average rate of -0.14 feet per day due to water evaporation.  What will the water level of the pool be after 4 days?

What is 2.74 feet

1000

You are buying 10 pizzas for a party.  Cheese pizzas cost $11 each and single topping pizzas cost $13.  Write an equation that gives the total cost C (in dollars) as a function of the number p of cheese pizzas that you buy.  Then find the total cost if you buy 4 cheese pizzas.

What is C = 13(10-p) + 11p, 

p<=10, $122

Square Roots

200

Evaluate 

-sqrt36

What is -6

400

Evaluate 

pm sqrt81

What is 

pm 9

600

Evaluate 

pm sqrt 225

What is 

pm 15

800

Approximate to nearest integer

- sqrt48

What is -7

1000

Approximate to nearest integer

- sqrt142

What is -12

Adding and Subtracting Polynomials

200

(5a² -3) + (8a² - 1)

What is 13a² - 4

400

(4m² - m + 2) + (-3m² +10m + 7)

What is m² + 9m + 9

600

(6c² + 3c + 9) - (3c - 5)

What is 6c² + 14

800

(-n² + 2n) - (2n³ - n² + n + 12)

What is -2n³ + n - 12

1000

(4d - 6d³ + 3d²) - (9d³ + 7d - 2)

What is -15d³ + 3d² - 3d + 2