Jeopardy from Mr. True's 7th period

Rates, Proportions, and Percents

100

What are the equations for velocity, distance and time?

v = d/t

d = v*t

t = d/v

200

What is 18.5/50 as a percent

37%

300

What is 8/64 as a simplified fraction and percent?

1/8 and 12.5%

400

If Grajara has 50 packs of skittles and the total for checkout without tax is $185, how much does each packet of skittles cost?

$3.70

500

Tommy can exchange 8 euros for $11. At this rate how many dollars can Tommy get with 12 euros?

$16.50

Linear Functions (slope, rate, y-intercept)

100

You have two equations for lines y = 0 and x = 0.  Which line is vertical and which line is horizontal?

y = 0 is horiz

x = 0 is vert

200

You are asked to plot a line at y = (1/2)x + 4.  Identify the y-intercept and slope.

y-int = 4

slope = 1/2

300

You need to track how much you're spending linearly, so you make a graph. You spend $10 a week and you started with $20. Label the y-intercept, slope, and write the equation.

y-intercept = 20

slope = 10

equation: 10x+20

400

Charlotte and Mia are driving a 40 mile race, Charlotte gets a head start and starts 5 miles in, but she drives at 8 miles/hour. Mia at 10 miles/hour.

Who will win the race?

Mia will

500

You put a box of juice in the freezer.  You measure the temperature after 4 hours at 12 degrees Celsius and see that the temperature is dropping at a constant rate of 3 degrees/hour. What temperature was it at the second hour?

18 degrees Celsius

Linear Functions 2

100

Is 6x+3 = y a linear function?

Yes

200

Jon has 300 slices of cheese. Every year he has 10 slices less of cheese. What is the equation for this function, in slope intercept form?

y = -10x+300

300

Aardvark has 0 pairs of shoes. One week later he got 10 pairs of shoes.  The next week he got 11 pairs.  The week after 12 pairs, etc.  Is this function linear?

No

400

If Bob had 40 apples, and got 100 apples a week, how many apples would Bob have after 1 month? Write the function in slope intercept form.

y = 40 +100x

440 apples.

500

How do you write in point slope form?

y = m(x-x1) +y1 or

 y - y1 = m(x-x1)

Order of Operations, Solving Equations for Unknown, & Evaluating Expressions

100

If Max drinks x tons of milk in 30 minutes, he gains 100 calories for each ton of milk.  Write an algebraic expression to show the amount of calories Max drinks in one hour.

y = 200x

200

What is the order of operations?

P

E

M

D

A

S

300

Solve for x.

10x*14 = 280

x =2

400

Evaluate all the way

4*5(6-4)-6+7

41

500

Grove loses 2 brain cells every time he bangs his head on obsidian.  If Grove had ten brain cells from the start, write an equation to find the number of brain cells Grove has left.  If x is the number of times Grove bangs his head.

y = 10 - 2x

Exponents, Scientific Notation, Factors, & Multiples

100

1.2 *10^9 = ?

1,200,000,000

200

What are the missing missing multiples?

_, 26 _, _, 65

13, 39, and 52

300

Find the GCF of 100 and 40.

20

400

What is the LCM of 25 and 40?

200

500

Everyday 2 new cats come over to your house. You feed them one can of food each per day.  Each cat stays there once it has come.  How many cans have you used on day 10?

220