Sum and product of roots

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Sum and product of roots

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THE SUM AND THE PRODUCT OF ROOTS OF QUADRATIC EQUATIONS

Ms. Majesty P. Ortiz

DRILL

7 + 1522-9 +145-6 + (-17)-23

DRILLβˆ’πŸ‘πŸ– +

πŸπŸ–βˆ’πŸπŸ’(βˆ’πŸ“πŸ” )+(βˆ’πŸπŸ” )-1(8)(15)120

DRILL

(-4)(7)-28(-6)(-12)72

DRILL(βˆ’πŸπŸ )(πŸ’πŸ )-1(βˆ’πŸ’πŸ‘ )(βˆ’πŸπŸ‘ )πŸ–πŸ—(𝒙+𝟐 ) (π’™βˆ’πŸ )π’™πŸβˆ’πŸ’(π’™βˆ’πŸ“)(𝒙+πŸ“)-25

Quadratic Equation Roots Sum of Roots

Product of Roots

                                          

GROUP WORK

x = π’™πŸ=

βˆ’π’ƒ+βˆšπ’ƒπŸβˆ’πŸ’π’‚π’„πŸπ’‚

π’™πŸ=βˆ’π’ƒβˆ’βˆšπ’ƒπŸβˆ’πŸ’π’‚π’„

πŸπ’‚

Sum of the Roots of Quadratic Equation

Product of the Roots of Quadratic Equation

Examples:

Use the values of a, b, and c of each of the following equations in determining the sum and the product of its roots.

SEATWORK

SUM PRODUCT1. - 4 32. -2 -33. -4 -214. -15.

A.Without solving for the roots, find the sum and product of the roots of each quadratic equation.

1. 2.

B.Write a quadratic equation with integral coefficients whose sum and product of roots are given.

1. 2. 0 and 6

ASSIGNMENT

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