
a.
To make a line that is perpendicular to the sides of sheet and mark a point about midway between the sides of the sheet.
a.

Explanation of Solution
Given:
The following is the sheet of paper that is about
Calculation:
The focus is at
b.
To form another outline of a parabola.
b.

Explanation of Solution
Given:
The focus is about
Calculation:
The focus is at
c.
To form third outline of a parabola.
c.

Explanation of Solution
Given:
The focus is about
Calculation:
The focus is at
d.
To compare the shapes of three parabolas and find out how does the distance between the focus and the directrix affect the shape of parabola.
d.

Explanation of Solution
As the distance between the focus and the directrix increases, the parabola widens more since a gets smaller. When the distance decreases the arms come closer.
Chapter 10 Solutions
Algebra 2
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