\"\"

\

(a)

\

The parametric equations are \"\" and \"\".

\

Find the rectangular equation.

\

Consider \"\".

\

Substitute \"\" in \"\".

\

\"\"

\

The rectangular equation is \"\".

\

Graph:

\

Graph the parametric equations \"\" and \"\".

\

\"\"

\

Observe the graph :

\

The domain of the graph is \"\".

\

The orientation is Up and curve is smooth and continuous.

\

The range is \"\".

\

\"\"

\

(b)

\

The parametric equations are \"\" and \"\".

\

Graph:

\

Graph the parametric equations \"\" and \"\".

\

\"\"

\

Observe the graph :

\

The domain of the graph is \"\".

\

The orientation is Oscillating and curve is discontinuous at \"\".

\

The range is \"\".

\

\"\"

\

(c)

\

The parametric equations are \"\" and \"\".

\

Graph:

\

Graph the parametric equations \"\" and \"\".

\

\"\"

\

Observe the graph :

\

The domain of the graph is \"\".

\

The orientation is Down and curve is smooth and continuous.

\

The range is \"\".

\

\"\"

\

(d)

\

The parametric equations are \"\" and \"\".

\

Graph:

\

Graph the parametric equations \"\" and \"\".

\

\"\"

\

Observe the graph :

\

The domain of the graph is \"\".

\

The orientation is Up and curve is smooth and continuous.

\

The range is \"\".

\

Observe the set of graphs of parametric equations:

\

The parametric equations from (a)-(d) are similar and their rectangular equation is \"\".

\

They differ in orientation and some are domain restricted.

\

\"\"

\

The parametric equations from (a)-(d) are similar and their rectangular equation is \"\".

\

They differ in orientation and some are domain restricted.

\

(a)

\

The domain of the graph is \"\".

\

The orientation is Up and curve is smooth and continuous.

\

The range is \"\".

\

(b)

\

The domain of the graph is \"\".

\

The orientation is Oscillating and curve is discontinuous at \"\".

\

The range is \"\".

\

(c)

\

The domain of the graph is \"\".

\

The orientation is Down and curve is smooth and continuous.

\

The range is \"\".

\

(d)

\

The domain of the graph is \"\".

\

The orientation is Up and curve is smooth and continuous.

\

The range is \"\".