Find the quadratic polynomial whose zeroes are 3 and -5.

Quadratic Polynomial whose Zeroes are 3 and -5

The question states "Find the quadratic polynomial whose zeroes are 3 and -5.” A polynomial may have some values of the variable for which it will have a zero value. These numbers are referred to as polynomial zero. They are also sometimes referred to as polynomial roots. To obtain the solutions to the given problem, we often determine the zeros of quadratic equations. There are two distinct approaches to explaining a polynomial answer:

• Solving Linear Polynomials
• Solving Quadratic Polynomials

The steps to find a quadratic polynomial whose zeroes are 3 and -5 are as follows:

Step 1: Let the zeroes be α and β

x2 - (sum of zeroes)x + (product of zeroes) = 0

x2 - (α + β)x + αβ

Step 2: Find the value of α + β and αβ

Since α = 3 and β = -5

Sum of zeroes = α + β = 3 + (-5) = -2

Product of zeroes = αβ = 3*(-5) = -15

Step 3: Substitute the values to form a quadratic polynomial

x2 - (α + β)x + αβ

x2 - (-2)x + (-15)

x2 + 2x - 15

Hence, the quadratic polynomial whose zeroes are 3 and -5 is x2 + 2x - 15.

Summary:

Find the quadratic polynomial whose zeroes are 3 and -5.

x2 + 2x - 15 is the quadratic polynomial with zeroes at 3 and -5. Division, subtraction, multiplication, and addition are polynomial operations. Any polynomial can be easily solved using fundamental algebraic ideas and factorization strategies. Setting the right-hand side of the polynomial equation equal to zero is the first step in solving it.

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