Concept explainers
(a)
To Graph: Graph formed by union of these two graphs.
(a)
Answer to Problem 57PPS
Explanation of Solution
Given:
The graph of union of
(b)
To Write: The equation for the union of two graphs.
(b)
Answer to Problem 57PPS
Explanation of Solution
Given:
Squaring both the equations we get
Hence,
(c)
To Describe: The way to graph the equation on the graphing calculator.
(c)
Answer to Problem 57PPS
Explanation of Solution
Given:
If the graphing calculator cannot draw the equation
Find the value of
Then draw the graph
The graph of the equation is
(d)
To Solve: The equation for
(d)
Answer to Problem 57PPS
Explanation of Solution
Given:
Given:
Solving
Thus
We need two equations to graph the circle because the equation of the circle is not a function.
(e)
To Describe: Do you think the equation in part (d) would be easier to draw on graph paper, pen or using graphing calculator?
(e)
Answer to Problem 57PPS
Graphing calculator
Explanation of Solution
Given:
Given:
It would be easier to draw the graph using the graphing calculator
Just plot the centers and radius.
Chapter 9 Solutions
Glencoe Algebra 2 Student Edition C2014
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