Functions Involving Parameters, Vectors, and Matrices
How would parametric functions represent x and y?
They represent them independently using separate but related equations.
They represent them as polynomial solutions.
They represent them directly without any relation.
They represent them as numerical sets.
If the position of an object is given by parametric equations and , what is at time ?
dy/dx=0
dy/dx=tan(π/8)
dy/dx=-tan(π/8)
dy/dx=infinity
What describes the behavior of a function that alters its direction abruptly at certain points on its graph?
Smooth curve
Linear progression
Cyclic pattern
Jump discontinuity
What is the first step to eliminate the parameter in the parametric equations and ?
Add the two equations together.
Solve one of the equations for .
Subtract from .
Multiply both equations by .
When translating between Cartesian equations and parametric forms, which element is typically replaced with expressions involving 't'?
Y-intercepts only
Zones of increasing functions
X-coordinates and Y-coordinates
The slope of the graph
In parametric functions, what typically represents the independent parameter?
Angle (θ)
Intercept (b)
Time (t)
Slope (m)
What do you need to find in order to create a table that will help you graph a set of parametric equations?
Values for x and y given different inputs for t.
Maximums or minimums as functions of t.
Derivatives with respect to x for different inputs for y.
Integrals with respect to y given different inputs for x.

How are we doing?
Give us your feedback and let us know how we can improve
For a projectile modeled by parametric equations and , where represents gravity, what affects the time it takes for the projectile to reach maximum height?
The initial velocity only.
Both and equally affect it.
The initial velocity and angle only.
The acceleration due to gravity only.
If a parameter 't' in a parametric function is described as being continuous, what type of number must 't' be?
An integer
A whole number
A real number
A natural number
For a space probe traveling along a path described by , , at what time 't' is its speed minimized within the interval (0, ∞)?
t=\frac{3\pi}{4}
t=\pi
t=\frac{\pi}{4}
t=\frac{\pi}{2}