a.
To prove: The equation is linear in x and y .
The statement has proven.
Given Information:
The matrix is defined as,
Calculation:
Consider the given information,
Now, find the given determinant.
The above equation is linear equation.
Therefore, the given statement has proved.
b.
To prove: The coordinates
The statement has proven.
Given Information:
The determinant is defined as,
Explanation:
Consider the given equations,
Substitute the first point in the equation.
As the left side is equal to the right side.
Thus, the first point line on the equation. Now, check the other point.
As the left side is equal to the right side.
Thus, the first point line on the equation. Now, check the other point.
Hence, the given statement has proved.
c.
To explain: The point
The point will lie on the line, if the determinant become 0 for the given point.
Given Information:
The determinant is defined as,
Explanation:
Consider the given information,
Substitute the given point
If the right side come to equal to the right side then the point
Therefore, the required result is explained above.
d.
To explain: The point
The point will not lie on the line, if the determinant do not become 0 for the given point.
Given Information:
The determinant is defined as,
Explanation:
Consider the given information,
Substitute the given point
Here, if the condition
Therefore, the required result is explained above.
Chapter 7 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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