Show:
Trigonometry
Probability
Statistics
Quadratics
Exponents
100
You can use SOH CAH TOA ratios to solve the missing sides & angles of ____________ triangles.
Right triangles
100
Write 3/20 as a decimal & percentage.
0.15 and 15%
100
Discrete or Continuous Data? - The number of students on a school bus.
Discrete Data
100
Does the graph open up or down? y = - 3(x+1)^2
DOWN (because there is a negative in front)
100
Write 4^3 in expanded form.
4 x 4 x 4
200
How many degrees does a triangle add up to?
180 degrees
200
A coin is tossed 9 times resulting in 3 heads and 6 tails. What is the experimental probability of tossing heads? (as a percent)
3/9 = 0.33 = 33%
200
Discrete or Continuous data? - The speed of a train.
Continuous Data
200
What is the Vertex? ______ y = 2(x - 2) ^2 + 7
V(2,7)
200
Simplify: (2 ^3) x (2^2)
= 2^5 (add exponents)
300
If you have all 3 sides of a triangle, should you use Sine Law or Cosine Law to solve for an angle?
Cosine Law
300
Student Survey: 50% like dogs 35% like cats 15% like birds. What fraction of students like birds? (in lowest terms)
15/100 = 3/20 students
300
True or False? - The mean is the number that appears the most often in a data set.
FALSE (The mode is the number that appears the most)
300
Describe the transformations of: y = (x - 1)^2 - 3
- Shift right by 1 - Shift down by 3
300
Explain how you would get rid of the negative exponent: 6^-2
= 1 / 6^2 = 1 /36 (you put it over 1)
400
If you have 2 sides of a triangle and the angle between them, should you use Sine Law or Cosine Law to solve for an angle?
Cosine Law
400
What is the probability of drawing a face card from a deck of 52 cards? (as a percent)
12/52 = 0.23 = 23%
400
Calculate Mean: 2, 4, 9, 5
= (2 + 4 + 9 + 5) / 4 = 5
400
Factor: x^2 - 9
= (x + 3)(x - 3)
400
Simplify: (9^2)^6
= 9^12
500
If you know that two angles of a triangle are 42 and 51 degrees, what is the third angle?
87 degrees
500
What is the probability of drawing a 7 from a deck of 52 cards? (as a percent)
4/52 =0.077 = 7.7%
500
A) What is the Median? ______ B) What is the Range? _______ { 10, 3, 4 }
________{ 3 , 4 , 10}________ Median = 4 and Range = 10-3=7
500
Expand: (2x +1)( x - 4)
= 2x^2 - 8x + x - 4 ******* = 2x^2 - 7x - 4
500
Write (4 x 4 x 4) / (7 x 7) in simplified exponent form:
(4^3) / (7^2)