What type of function eventually overtakes the others?
Exponential
What country has the world's largest population?
China
An equation is shown.
2x2 - 5x - 3 = 0
What values of x make the equation true?
-0.5 and 3
A bee colony increases its population following the function shown below.
f(n) = 42 * (1.07)n
By what percentage is the colony increasing?
7%
Which measure of center tells us the value in the middle of a data set?
Median
What is the output of the function f(x) = 3x + 21 when the input is -8
f(-8)=-3
Share a random animal fact
Answers vary
A system of equations is given.
y = x2 - 9
y = -2x - 1
What is one solution to the system of equations?
(-4, 7)
(2, -5)
x2 - 196
The expression can be written in the form (x + a)(x + b). What are the values of a and b?
14 and -14
What term (NOT RANGE) refers to how spread out each data value is from the center?
Variability
Give an example (with at least 3 ordered pairs) that is NOT a function.
Answers vary
How many bones do sharks have?
zero
A system of equations is given.
y + 2 = 3(x - 1)
y = -2x + 10
What is the solution to the system?
(3, 4)
Factor the expression:
x2 + 2x - 24
(x + 6)(x - 4)
What measure of center is best for skewed data?
Median
-3, 15, -75, 375,...
What is the 8th term in the sequence?
234,375
How many minutes are in one week?
10,080
A system of equations is given.
y= 0.5x - 10
y = (x - 2)(x + 6)
What is a solution to the system?
(0.5, -9.75)
(-4, -12)
True or False: Domain only includes positive values
False!
What is the mean of the data set?
231, 243, 257, 261, 278, 290
260
The first four terms of a sequence are given.
4, 7.5, 11, 14.5,...
Given f(1)=4, write a function for the nth term of the sequence
f(n) = 4 + 3.5(n-1)
What is the Hulk's real name?
Bruce Banner
A total of 330 children and adults attended a school play. There were 21 times as many children in attendance as there were adults.
Write a system of equations for the situation, then find the number of children and adults in attendance.
a + c = 330
315 children, 15 adults
Answers vary
What is the five number summary for this data set?
1, 3, 4, 4, 7, 7, 8, 10, 15, 15, 16
1 - 4 - 7 - 15 - 16