a.
To find:x-intercepts
a.
Answer to Problem 51PPE
Explanation of Solution
Given information: The graph of the function
x-intercepts are the points on the graph where the graph cuts the x-axis.
The graph of
So,
x-intercepts are
b.
To factor:
b.
Answer to Problem 51PPE
Explanation of Solution
Calculation:
Consider
Here,
So,
Take
Therefore,
c.
To find:relationship between binomial factors found in part b. and the x-intercepts
c.
Explanation of Solution
In part b., we get binomial factors as
Put each of the binomial factors equal to 0.
So, as we put the binomial factors equal to 0, we get the x-intercepts
Chapter 8 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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