Algebra
Statistics
Similarity
Transformations, Angle Relationships
Riddles
Trigonometry
Factoring & Expanding
100
Solve 5x= 225
45
100
60% is what as a decimal?
0.60
100
What is the symbol for similarity?
~
100
Rigid transformations preserve__________.
Shape and Size.
100
What has to be broken before you can use it?
an egg
100
Equilateral triangles always have three ________ angles.
60 degree
100
Expand
4(x+2)
4x+8
200
Find the slope of the line
y-2=3(x-5)
3
200
What is the formula for probability?
# of desired outcomes
____________________
# of total outcomes
200
What must be true about the side lengths of similar shapes?
Side lengths must be proportional (common ratio).
200
What are the four types of transformations we've learned?
Translation (slide), Rotation (turn), Reflection (flip), Dilation (shrink/enlarge).
200
What begins with T, finishes with T, and has T in it?
a teapot
200
True or False: Pythagorean Theorem only applies to right triangles.
True
200
Expand
(x+3)(x+1)
x2+4x+3
300
What is the value of:
23 + 32 - 42
1
300
What is the likelihood of rolling a 3 on a fair die?
1/6 = 16.6%
300
What must be true about the angles of similar shapes?
All angle measures are preserved (corresponding angles are congruent).
300
What is the zoom factor of the following similar triangles?
zoom factor of 3
300
What goes up but never comes back down?
your age
300
25 feet
300
Expand
(a+b)(c-d)
ac-ad+bc-bd
400
Solve
2/3 + 5/7
29/21
400
What is the probability of flipping the same coin 3 times and getting heads every time?
(1/2)^3 = 1/8 = 12.5%
400
The given figures are similar. Calculate the value of x. Show your work clearly.
x = 30/8 = 3.75 units
400
Solve for x and state the theorem used.
Triangle Angle Sum Theorem.
400
No matter what, what can you always count on?
your fingers
400
A cone has a slant height of 17 cm and a base radius of 8cm. How high is the cone?
15 cm
400
Factor
x2 -7x-8
(x-8)(x+1)
500
A line passes through the points (−2,−4) and (−5,5). Find the equation of the line in point-slope form.
y+4=-3(x+2)
500
Consider a 10 question multiple choice test - each question has 4 answer choices to chose from and only 1 correct answer. What is the probability of randomly choosing every correct answer to this test?
(1/4)^10 = .000095%
500
Find u and v of the similar triangles below.
u = 19.04 units
v = 9.24 units
500
Find the point of intersection of the two lines:
y = -2x + 6
y = 3x - 9
(3, 0)
500
What is full of holes but still holds water?
a sponge
500
An equilateral triangle has sides of length 12 cm. Find the length of one of its altitudes.
10.4 cm
500
Expand
(x+1)3
x3+3x2+3x+1