Formula's
State the Quadratic Formula
Formula
An odd function has this symmetry...
Rotational symmetry
Line that a curve approaches but never touches
asymptote
When Pearson's Coefficient r = 0.8, what is the type of relationship (direction and strength)?
Positive and Strong
What is the only number that has the same number of letters as its meaning?
FOUR
What trig rule involves 3 sides and 1 angle.
Cosine Rule
This is the set of x values for which the function y=f(x) is defined.
Domain
When the pearson's coefficient is r=0.8, we get this type of relationship
strong, positive
To make predictions that are outside the range of the original data.
extrapolate
What does delta represent? (In maths and science)
Change
Which formula do you use when you earn interest that compounds each time period?
Compound Interest Formula - FV = PV (1 + r)n
The second derivative of a function gives us what information?
Concavity
Does the formula sheet include the cosine rule for finding a side AND finding an angle?
Yes
This is the z score of a score of 54 with a mean 58 and a standard deviation of 1.333333... answer to 1 sig fig.
z = -3
Some people became mentally deranged when trying to "square the circle". What was this illness named?
Morbus Cyclometricus
When finding the equation for least-squares line of regression, which type of line do we model for our equation?
A linear line
A transformation that takes y = f(x) to y = f(-x)
Reflection around the y axis
What percent of scores are between a z-score of -2 and 2?
95%
The sum all the scores multiplied by their probabilities gives us...
The expected value
LOSE POINTS
HAHA
The equation of a circle in on the formula sheet
Yes
This is a V shaped curve with a vertex at (1,2)
y = |x - 1| +2
What percentage of z-scores are between 1 and the mean?
34%
What is the volume of a sphere with radius 12cm, to the nearest cm3?
7238cm3
The 40th decimal of Pi
1