a.
To solve the equation with graphing method.
a.
Answer to Problem 53E
Graph:
Explanation of Solution
Given:
Equation:
Calculation:
On comparing the equation with
Step:1 Finding the axis of symmetry.
So,
Therefore,
Step:2
Step:3
Find the plotting points:
For
So,
So,
Again, for
So,
So,
Again, for
So,
So,
Therefore plotting points are:
x | -10 | -2 | 10 |
y | 64 | 0 | 144 |
Plot the graph:
Plot all the points and axis of symmetry.
b.
To solve the equation with factoring method.
b.
Answer to Problem 53E
Explanation of Solution
Given:
Equation:
Calculation:
Split the middle term in such a way that the sum comes 4 and product comes 4
Taking common
So,
Therefore
So,
c.
To solve the equation with
c.
Answer to Problem 53E
Explanation of Solution
Given:
Equation:
Calculation:
On comparing the equation with
Finding the value of
Substituting the values,
Opening brackets,
So,
Solving root,
So,
Therefore,
Chapter 9 Solutions
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