Concept explainers
Equation :
we are required to identify the features of the given equation.

Explanation of Solution
Given information Equation :
This is an equation of a line in
Graphical approach
Slope =
⇒
So,
Now, multiply both sides by, ( x − a )
⇒
This equation is point-slope form.
Explanation by example
Now, lets suppose,
we are given,
Slope, m = 3
and a point say, (2, 5)
So, by point slope form,
⇒
⇒
⇒
Conclusion
Therefore, we can surely identify,
(i)slope
(ii)nature of the straight line
(iii)point by which the straight line is going through
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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