Show:
Lines and Graphs
Quadratic Equations
Counting and Probability
Inverses and Logarithms
"Potpourri"
100
This is the name for two lines that never intersect.
What is parallel?
100
Solve for x. x2 = 9
+/- 3
100
Your happy meal comes with a drink (small, medium, or large) and fries (small, medium, or large). How many total choices for size are there?
3 x 3 = 9
100
f(x) = x + 6. What is f-1(x)?
f-1(x) = x - 6.
100
Simplify: x6x4
x10
200
This is the name for two lines that intersect at right angles.
What is perpendicular?
200
Fill in the missing part of the quadratic formula: -b +/- sqrt(_____) / 2a
b2 - 4ac
200
How many ways can 4 different gifts be given to 4 people?
4! = 4 x 3 x 2 x 1 = 24
200
f(x) = 3x - 6. What is f-1(x)?
f-1(x) = (x + 6) / 3
200
To factor quadratics, we often use the FOIL method. What do the letters in FOIL stand for?
First, Outer, Inner, Last
300
The slope of a line is -1/3. What is the slope of a parallel line?
-1/3
300
Factor. x2 - x - 12
(x - 4)(x + 3)
300
How many ways can the letters in the word KENNYWOOD be rearranged?
9! / (2! x 2!)
300
log2 8
log2 8 = 3
300
Simplify: sqrt(45)
3 * sqrt(5)
400
A line has a slope of 3 and crosses through the point (0, -2). What is the equation for this line?
y = 3x - 2
400
Factor. 2x2 + 10x + 8
(2x + 2)(x + 4)
400
How many ways can 3 students be chosen to ride the Skycoaster from a total of 16 students?
(16 choose 3) = 16! / (13! x 3!) = (16 x 15 x 14) / 3!
400
log3411
log3411 = 0
400
Simplify. 3i * (2 - i)
3 + 6i
500
The slope of a line is 1/2. What is the slope of a perpendicular line?
-2
500
Solve for x. x2 + 5x + 6 = 0.
x = 3 or x = 2
500
On a Monopoly board, the Pennsylvania Railroad is 5 spaces away from the start. What is the probability of landing on this space on the first turn?
4 / 36 = 1 / 9 = 11.1111 % There are 4 ways to make 5 with 2 dice.
500
Solve for x by rewriting this equation using logarithms: 3x = 40.
x = log340
500
Martha's age is twice that of her brother Ned. The sum of their ages is 24. Find the age of each.
Martha: 16 years Ned: 8 years