
Concept explainers
To graph: The

Explanation of Solution
Given information:
The quadratic equation
Graph:
The graph of the quadratic equation
Consider the quadratic equation,
Now put the values of
Substitute the value of
The value 0f
Substitute the value of
The value 0f
Substitute the value of
Substitute the value of
Observe that as the value of
Steps to plot the graph of the equation
Step 1: Press
Step 2: Use the down arrow key to reach
Step 3: Press
Step 4: Press
Step 5: Enter the function
Step 6: Press
For better view of graph.
Step 8: Press
The result obtained on the screen is provided below,
Interpretation:
The equation of the function
The parabola opens upward.
The
Recall that the graphical approach to solve the equation simultaneously.
Therefore, in the equation,
Therefore, the equation
Chapter 1 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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