a)
To find: Formula for the area of a parallelogram.
a)
Answer to Problem 43PPE
Area of a parallelogram
Explanation of Solution
Given information: Any parallelogram is given.
Formula used: There is following prebuilt formula for the area of any parallelogram,
Area of a parallelogram
Calculation: In a parallelogram, there form two
Conclusion: So, area of parallelogram is the product of its height and base.
b)
To find: If the constant term of height of parallelogram given is positive or negative.
b)
Answer to Problem 43PPE
Explanation of Solution
Given information: Area of parallelogram is
Formula used: Get two factors of quadratic polynomial, representing area of parallelogram and its second factor, except
Calculation: Get two factors of given quadratic polynomial as,
On comparing it with above formula of area of parallelogram, height of the parallelogram is
Conclusion: By height obtained, it is cleared that constant term of height is negative.
Chapter 8 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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