Name that Variation
x/y=2.75
Direct Variation
What is the standard form of an Inverse Variation. (Using y, k, and x)
y=k/x
Suppose y = 6 when x = 32 then y = ? when x = 8
1.5
POWER: Answer times 7
Suppose y varies directly as X, and y varies inversely as z. Find x when y = 18 and z = -3. If x = 24 when z = 2 and y = 6.
x is -108
The name "ROCORI" represents the three towns it serves:
Rockville, Cold Spring, and Richmond
y=-11x
Direct variation
What is the standard form of an Joint Variation. (Using y, k, x, and z)
y=kxz
Suppose y = 14 when x = -2 then y = ? when x = 8
-56
Suppose p varies directly as r, and p varies inversely as t. Find t when r = 10 and p = -5. If t = 20 when p = 4 and r = 2.
t=-80
Power: Steal Roll times 100
The percentage of students who are a minority.
15%
Power: Free Tootsie Pop for your team
C= 7/D
Inverse Variation
What letter is used to represent an Imaginary unit?
i
Power: Answer times 5
Suppose y = 2 when x = 4 then y = ? when x = 8
y=4
Suppose a varies directly as b, and a varies inversely as c. Find b when a = 8 and c = -3. If b = 16 when c = 2 and y = 4.
b = -48
The Spartan boys basketball team has made it to the state tournament 13 times in the school's existence,in what year did they win the State Championship?
1988
Power: Answer times 10
m=20cd
Joint Variation
What is the standard form of an Combination Variation. (Using y, k, z and x)
y=(kx)/z
Power: Steal Roll times 100
Suppose y = -6 when x = -10 then y = ? when x = 8
4.8
Suppose d varies directly as f, and d varies inversely as g. Find g when d = 6 and f = -7. If g = 12 when d = 9 and f= 3.
g = -42
The ROCORI dance team has made it to state in 2009, 2010, 2013, 2015, 2016, 2017, 2018, and 2019. What is their highest finish at the State Championships in Jazz and High Kick.
Fourth Place
10=(xy)/z
Combination Variation
What does GCF mean?
Greatest Common Factor
Power: Answer times 8
Suppose y = 3 when x = 2.4 then y = ? when x = 8
10
Suppose a varies directly as b, and a varies inversely as c. Find b when a = 5 and c = -4. If b = 12 when c = 3 and a = 8.
b = -10
Power: Lose all your Points Zapper
What is the student to teacher ratio at ROCORI High School?
17:1
Power: Free Sour Patch Kid for your team
fg=-2
Inverse Variation
Power: Answer times 4
Define the letters of FOIL.
First, Outside, Inside, Last
Suppose y = 10 when x = -4 then y = ? when x = 8
-20
Suppose x varies directly as y, and x varies inversely as z. Find z when x = 10 and y = -7. If z = 20 when x = 6 and y = 14.
z = -6
What are the three principles of the ROCORI Way?
Be Kind, Be Respectful. Be Responsible
9n=pr
Combination Variation
The letter K is used to represent this in Variations.
The constant of variation.
Power: Fruit Snacks for your team
Suppose y = 5 when x = .4 then y = ? when x = 8
100
Power: Steal Roll times 100
Suppose x varies directly as y, and x varies inversely as z. Find z when x = 8 and y = -6. If z = 26 when x = 8 and y = 13.
z = -12
In which Olympic event did alumnus Ron Backes participate?
Shot put