Find the quadratic function.
Answer to Problem 5AGP
Explanation of Solution
Given Information:
Formula Used:Elimination method
Calculation:
As the general equation
Now,
So,
So,
Now,
Hence,
Now,
So,
Hence,
Now,
So,
Hence,
Put value of eq. (2) in eq. (3),
As,
So,
So, simplify
Now, divide the equation by 3.
Put value of eq. (2) in eq. (4),
As,
So,
So,
Now, simplify
Hence,
Now, solving the equation (5) & (6) by elimination method,
and
Now, for elimination method, multiply equation (5) by -21,
Now, solve equation (6) & (7),
Hence,
Put value of b in equation (5),
As,
Now,
Hence,
Put value of b & c in equation (2),
As,
Now, simplify
Hence,
Now, put value of equation (8), (9) and (10) in equation (1) to solve quadratic function.
So, quadratic function
Chapter 9 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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