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.
How do we describe the path traced out by a particle following the parametric equations and ?
A line
A parabola
An ellipse
A circle
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.
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 particle follows the path described by the parametric equations and , what is an expression for as a function of assuming all relevant values are within domain restrictions?
y=e^{(e^x)}
y=x(\ln(x))
y=t^{(e^x)}
y=\ln(\ln(x))
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 .
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

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What kind of motion does the parametric equations , represent?
A linear motion.
An exponential growth.
A horizontal parabola.
A uniform circular motion.
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
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