Graphs
Growth or Decay
Percents and Decimals
Growth and Decay
General
General 2
General 3
General 4
General 5
100
x axis = time (hours), y axis = number of km run. Determine the time is takes to run 10km?
1.5 hours
100
How do I know if the exponential relationship below is growth or decay?
y = 4000 x 3x
decay factor less than 1 - this is growth
100
What is 55% as a decimal?
0.55
100
The function P = 300 x 0.89n represents:
A. exponential growth with an initial amount of 300.
B. exponential growth with an initial amount of 0.89.
C. exponential decay with an initial amount of 300.
D. exponential decay with an initial amount of 0.89.
e. exponential decay with an initial amount of 300 x 0.89.
exponential decay with an initial amount of 300.
100
What is the capital city of Canada?
a) Toronto
b) Ottawa
c) Vancouver
d) Montreal
Answer: b) Ottawa
100
What is the smallest country in the world?
a) Monaco
b) Vatican City
c) San Marino
d) Liechtenstein
Answer: b) Vatican City
100
What is the currency of Japan?
a) Yen
b) Won
c) Yuan
d) Dollar
Answer: a) Yen
100
Which bird can mimic human speech?
a) Crow
b) Parrot
c) Owl
d) Penguin
Answer: b) Parrot
100
Which is the only continent without any native snakes?
a) Antarctica
b) Europe
c) Australia
d) South America
Answer: a) Antarctica
200
The graph represents the fish population after t years.
What was the fish population when it was first measured?
1,000 fish
(the y-intercept value, when x = 0))
200
Do the following equations represent exponential growth, decay, or neither?
y=5x+6
Neither (It's linear! y=mx+b)
200
What is 0.01 as a percent?
1%
decimal *100=%
200
The relationship between two variables, A and t, is described by the function A = 45 x 1.095t, where t is the time in months and A is the amount in dollars. This function indicates:
A. a monthly growth of $45.
B. a monthly growth of 9.5 cents.
C. a monthly growth of 1.095%.
D. a monthly growth of 9.5%.
E. a yearly growth of 9.5%.
a monthly growth of 9.5%.
200
Which element has the chemical symbol “K”?
a) Krypton
b) Potassium
c) Calcium
d) Copper
Answer: b) Potassium
200
Which famous artist is known for painting the ceiling of the Sistine Chapel?
a) Leonardo da Vinci
b) Michelangelo
c) Raphael
d) Donatello
Answer: b) Michelangelo
200
What is the capital city of South Korea?
a) Tokyo
b) Seoul
c) Beijing
d) Bangkok
Answer: b) Seoul
200
What is the national animal of Australia?
a) Koala
b) Kangaroo
c) Emu
d) Wombat
Answer: b) Kangaroo
200
Who was the first person to step on the Moon?
a) Buzz Aldrin
b) Yuri Gagarin
c) Neil Armstrong
d) Michael Collins
Answer: c) Neil Armstrong
300
Determine the number of bacteria remaining after 2 hours of treatment?
Approx 2
300
y=2000 x 0.3x
Does this function represent exponential growth or decay? What is the growth/decay factor?
Exponential Decay
300
What is 90% as a fraction?
90/100 = 9/10
300
A Petri dish containing a bacteria colony was exposed to an antiseptic. The number of bacteria within the colony, B, over time, t in hours, is shown in the graph.
Using the graph, predict the number of bacteria in the Petri dish after 5 hours.
20 000
300
Which scientist discovered penicillin by accident in 1928?
a) Marie Curie
b) Alexander Fleming
c) Louis Pasteur
d) Isaac Newton
Answer: b) Alexander Fleming
300
Which planet spins on its side, making it unique?
a) Uranus
b) Neptune
c) Venus
d) Saturn
Answer: a) Uranus
300
What is the main ingredient in traditional Japanese miso soup?
a) Rice
b) Soybeans
c) Fish
d) Wheat
Answer: b) Soybeans
300
Which chemical element is used in pencils?
a) Lead
b) Graphite
c) Carbon
d) Charcoal
Answer: b) Graphite
300
What is the only fruit that has its seeds on the outside?
a) Raspberry
b) Strawberry
c) Blackberry
d) Blueberry
Answer: b) Strawberry
400
Determine the years it takes to decrease to $4000
6.3 or 6.4
400
The number of micro-organisms, , in a culture dish after N hours is given by the equation N=2000 x 3x.
a. Identify the initial number of micro-organisms in the dish.
Determine the number of micro-organisms in a dish after 5 hours.
a) 2000
b) 486 000 micro-organisms
400
Determine 105% as a decimal
1.05
400
A hot plate used as a camping stove is cooling down. The formula that describes this cooling pattern is ,T = 500 x 0.5t where T is the temperature in degrees Celsius and t is the time in hours.
Determine the temperature after 2 hours
125 degrees
400
What is the only rock that can float on water?
a) Basalt
b) Pumice
c) Granite
d) Limestone
Answer: b) Pumice
400
Which scientist proposed the three laws of motion?
a) Galileo Galilei
b) Isaac Newton
c) Albert Einstein
d) Nikola Tesla
Answer: b) Isaac Newton
400
Which city is known as “The Big Apple”?
a) Los Angeles
b) Chicago
c) New York City
d) Miami
Answer: c) New York City
400
How many chambers does the human heart have?
a) 2
b) 3
c) 4
d) 5
Answer: c) 4
400
Who painted the famous artwork The Starry Night?
a) Claude Monet
b) Vincent van Gogh
c) Pablo Picasso
d) Leonardo da Vinci
Answer: b) Vincent van Gogh
500
Determine the amount of money you will have in the bank after two years?
$3.5
500
The value of an investment A (in dollars) after n years is given by A=5000 x 1.075n.
a. Determine the initial investment
b. Determine the value of the investment (to the nearest dollar) after 6 years.
a. 5000
b. $7717
500
What is 1/5 as a percent?
20/100 = 20%
500
Is this exponential growth or decay?
What is the percent growth/decay rate?
y=1/2(1.07)^x
Exponential GROWTH
7%
500
In which year did the Titanic sink?
a) 1905
b) 1912
c) 1920
d) 1931
Answer: b) 1912$579.64
500
Which ocean lies between Africa and Australia?
a) Pacific Ocean
b) Atlantic Ocean
c) Indian Ocean
d) Southern Ocean
Answer: c) Indian Ocean
500
Which instrument has 47 strings and 7 pedals?
a) Harp
b) Piano
c) Guitar
d) Violin
Answer: a) Harp
500
Which planet has the Great Red Spot, a giant storm?
a) Mars
b) Saturn
c) Neptune
d) Jupiter
Answer: d) Jupiter
500
Which organ in the human body produces insulin?
a) Liver
b) Stomach
c) Pancreas
d) Kidney
Answer: c) Pancreas