Graphing
In y=mx+b, what is b
y-intercept
What is the type of variable which we expect to change as a result of changing another variable
Dependent
Convert 3 m/min to cm/s
1.8 cm/s
v2 = s2 + 2at
v=5
a=2
t=3
s=?
3.6 and -3.6
Remember square roots have positive and negative values
What is the name of the type of observation or measurement we use numbers to observe?
quantitative
You are performing an experiment on airplanes to determine how the shape affects the fuel mileage. What is an appropriate name of this graph?
Fuel Mileage vs Shape for Airplanes
You are performing an experiment on airplanes to determine how the shape affects the fuel mileage.What variable would you graph on the y-axis?
fuel mileage
Convert 35 km to cm
3500000 cm
What is the units which would remain for the following multiplication
(meters/second) (meters) (second)
m2
What is the name of the type of observations recorded using no numbers?
qualitative
In our Circle Lab, which part of our graph was represented by pi?
the slope
What is the name of the variable we keep constant and unchanged throughout an entire experiment.
controlled variable
Convert 35 km per hour to m/s
9.7 m/s
2U=kx2 +15
U=20
x=2
k=?
2.5
We use our five senses to perceive our surroundings.
Observation or inference?
Observation
Which type of variable is plotted on the y-axis?
Dependent
What is the name of the variable that you get to choose to change.
Independent
A marathon is 26.2 km. Convert this to m.
262 000 ft
xy=y3z
y=3
z=4
x=?
x=36
What is the name of the greek symbol that looks like a triangle that means "change in"
delta
How do you calculate the "m" value in the y = mx+b equation.
Rise over run (dependent variable/independent variable)
a) cm, m, feet, s, hr, Joule, Watt, are examples of ____.
b) time, speed, distance, power, are examples of ____.
a) units
b) variables
Convert 16 years to seconds
Approximately 500 millions seconds
(x+y)2 = ay
a=5
y=4.05
x=?
0.45 and -8.55
Remember square roots have positive and negative values
Name 4 of the 6 living US Presidents.
Joe Biden, Donald Trump, Barack Obama, George W. Bush, Bill Clinton, Jimmy Carter