Concept explainers
(a)
To find: The value of discriminant.
(a)
Answer to Problem 54SGR
The value of discriminant is
Explanation of Solution
Given information:
The given equation is
Calculation:
Consider the equation
Compare above expression with standard form
Where,
Consider following expression for discriminant.
Substitute the values in the equation(1)
Therefore, the value of discriminant is
(b)
To find: The number type of roots.
(b)
Answer to Problem 54SGR
The number of roots is
Explanation of Solution
Given information:
The given equation is
Calculation:
Calculate the number of type roots.
The expression is
Substitute the value of
Therefore, the number of roots is
(c)
To find: The exact solution of
(c)
Answer to Problem 54SGR
The exact value of quadratic equation is
Explanation of Solution
Given information:
The given equation is
Calculation:
Substitute the value of
Therefore the exact value of quadratic equation is
Chapter 4 Solutions
Glencoe Algebra 2 Student Edition C2014
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