PreCalculus Post Test Review

Front

If w = <2, -5> and y = <2, 0>, find 2w + y

Back

<6, -10>

Front

Convert 150° to radians

Back

5π/6

Front

What is 7π/4 radians in degrees?

Back

315°

Front

Find the magnitude of the vector <-5, 12>

Back

13

Front

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

Back

y=6sin(8x)

Front

What is the formula for converting degrees to radians?

Back

Radians = Degrees × (π/180)

Front

What is the formula for finding the magnitude of a vector ?

Back

Magnitude = √(a² + b²)

Front

What is the period of the sine function y = sin(kx)?

Back

Period = 2π/k

Front

What is the amplitude of the sine function y = A sin(kx)?

Back

Amplitude = |A|

Front

How do you add two vectors and ?

Back