Trigonometria
What is the pythagorean theorem?
a2 + b2 = c2
What is the purpose of solving an equation?
To find the value of the unknown variable
What is probability?
A measure of how likely an event is to happen
What is a function in math?
A rule that assigns exactly one output for each input.
What is an arithmetic sequence?
A sequence where the same number is added each time
What are the three basic trigonometric ratios?
Sine (SOH), Cosine (CAH), Tangent (TOA)
What does it mean to factor an expression?
To write it as a product of simpler expressions
What is the range of possible values for probability?
Between 0 and 1
What does f(x) mean?
The output of the function when x is the input.
What is a geometric sequence?
A sequence where each term is multiplied by the same number
If sine (0) = 0.6 and the hypotenuse is 10, what is the opposite side
6
Solve: 2x + 3 = 11
x = 4
What is the probability of rolling a number greater than 4 on a die?
1/3
f(x) = 3x - 2, find f(4).
10
What is the 28th term of 2, 4, 6, 8…?
56
In a triangle, the adjacent side is 4 and the opposite side is 3. Find tan(0).
3/4
Factor: x2 + 5x + 6
(x + 2)(x + 3)
What’s the probability of picking a red card from a deck? Simplified
1/2
f(x) = x², solve for x if f(x) = 25
x = 5 or x = -5
Find the common ratio of the sequence: 1, 3, 9, 27…
3
Real life problem
A ladder leans against a wall forming a 60° angle with the ground. If the ladder is 10ft long, how high does it reach on the wall? Round to the nearest hundredth
8.66 feet
Real life problem
You're buying x notebooks for $3 each and a pen for $2. If you spend $20 total, how many notebooks did you buy?
x = 6
Real life problems
A student has a 75% chance of passing each test. What is the probability they pass two tests in a row? Rounded to the nearest hundredth of a percentage
56.25%
Real life problems
A taxi charges $4 base fee plus $2 per mile. Write the function and find the cost for 6 miles.
$16
Real life problem
You deposit $100 into a bank account that triples every year. How much will you have after 3 years?
$2700