find the quadratic polynomial with-1/4 as the sum and 1/4 as product of its zero
Answers
standard form of quadratic polynomial = ax² + bx + c
given :-
sum of the quadratic polynomial = -1/4
product of the quadratic polynomial = 1/4
we know the relation between it's zeroes and coefficients.
sum of zeroes = -b/a
product of zeroes = c/a
let us compare now with the given sum and product of zeroes.
- -b/a = -1/4
minus and minus cancel.
we get, b/a = 1/4
- c/a = 1/4
now, both the denominators are equal. so no need to change anything.
therefore a = 4, b = 1 and c = 1
hence, the quadratic polynomial = 4x² + x + 1
Answer:
4x² + x + 1 = 0
Step-by-step explanation:
Given Problem:
Find the quadratic polynomial with-1/4 as the sum and 1/4 as product of its zero.
Solution:
To Find:
The quadratic polynomial.
----------------------
Method:
According to your question:
Sum of quadratic polynomial = -1/4
Product of the quadratic polynomial = 1/4
We know that,
Formula of quadratic equation:
x²-(Sum of root)x + (Product of root) = 0
Now,
Put the values in equation.
x² –(-1/4) x + 1/4 = 0
Then
Multiply by 4
We get ,
4x² + x + 1 = 0 ................(ANSWER)