Question: If the roots of the equation x^2 - 10x + k = 0 are 5 and 5, what is the value of k?
Options:
25
20
15
10
Correct Answer: 25
Solution:
The product of the roots is 5*5 = 25, hence k = 25.
If the roots of the equation x^2 - 10x + k = 0 are 5 and 5, what is the value of
Practice Questions
Q1
If the roots of the equation x^2 - 10x + k = 0 are 5 and 5, what is the value of k?
25
20
15
10
Questions & Step-by-Step Solutions
If the roots of the equation x^2 - 10x + k = 0 are 5 and 5, what is the value of k?
Quadratic Equations – Understanding the relationship between the coefficients of a quadratic equation and its roots, specifically using Vieta's formulas.
Roots of Equations – Identifying and calculating the roots of a quadratic equation, especially when they are repeated.
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