sum and product of roots

Post on 19-Aug-2014

456 Views

Category:

Education

30 Downloads

Preview:

Click to see full reader

DESCRIPTION

Sum and product of roots

TRANSCRIPT

THE SUM AND THE PRODUCT OF ROOTS OF QUADRATIC EQUATIONS

Ms. Majesty P. Ortiz

DRILL

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

DRILLโˆ’๐Ÿ‘๐Ÿ– +

๐Ÿ๐Ÿ–โˆ’๐Ÿ๐Ÿ’(โˆ’๐Ÿ“๐Ÿ” )+(โˆ’๐Ÿ๐Ÿ” )-1(8)(15)120

DRILL

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

DRILL(โˆ’๐Ÿ๐Ÿ )(๐Ÿ’๐Ÿ )-1(โˆ’๐Ÿ’๐Ÿ‘ )(โˆ’๐Ÿ๐Ÿ‘ )๐Ÿ–๐Ÿ—(๐’™+๐Ÿ ) (๐’™โˆ’๐Ÿ )๐’™๐Ÿโˆ’๐Ÿ’(๐’™โˆ’๐Ÿ“)(๐’™+๐Ÿ“)-25

Quadratic Equation Roots Sum of Roots

Product of Roots

                                          

GROUP WORK

x = ๐’™๐Ÿ=

โˆ’๐’ƒ+โˆš๐’ƒ๐Ÿโˆ’๐Ÿ’๐’‚๐’„๐Ÿ๐’‚

๐’™๐Ÿ=โˆ’๐’ƒโˆ’โˆš๐’ƒ๐Ÿโˆ’๐Ÿ’๐’‚๐’„

๐Ÿ๐’‚

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

top related