ILLUSTRATIONS of QUADRATIC EQUATIONS

ILLUSTRATIONS of QUADRATIC EQUATIONS

Activity 1: Do You Remember These Product?

ACTIVITY 1: Do You Remember These Products?

Activity 1: Do you Remember These Products?

Find the indicated product then answer the questions that follow.

3( x² + 7) = __________________________________

2s(s - 4) = __________________________________

( w +7)(w + 3) = _______________________________

( x + 9)(x - 2) = _______________________________

(2t - 1) ( t + 5) = _______________________________

( x + 4) ( x +4) = _______________________________

( 2r - 5) ( 2r - 5) = ______________________________

( 3 - 4m)² = __________________________________

( 2h + 7) ( 2h - 7) = _____________________________

( 8 - 3x) ( 8 + 3x) = _____________________________

PROCESS QUESTIONS:

a. How did you find each product? ________________________

b. In finding each product, what mathematics concepts did you apply?

_____________________________________________

Explain how you applied these mathematics concepts or principles.

_____________________________________________

c. How would you describe the products obtained? Are the products

polynomials? If YES, what common characteristics do these polynomials have?________________________________

ACTIVITY 2: Another Kind of Equation!

Below are different equations. Use this equations to answer the questions that follow.

1. x² - 5x + 3 = 0
2. 2s + 3t = -7
3. 8k - 3 = 12
4. 9r2 - 25 = 0
5. 1/2 x² + 3x = 8
6. 4m2 + 4m + 1 = 0
7. c = 12n - 5
8. 6p -q = 10
9. t² - 7t + 6 = 0
10. r² = 81

Activity 2: Another Kind of Equation!

PROCESS QUESTIONS:

1. Which of the given equations are linear?__________
2. How do you describe linear equation?___________
3. Which of the given equation are not linear? Why?___

What common characteristics do these equations have?

______________________________________