Quadratic Equations

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 2

7.4 Quadratic Equations

                         Lesson goals

Choosing the easiest way to solve a quadratic equation.

Work Independently

Do Exercises 42, 43, 44 (page 117) (7 minutes)

When you are done Read Theory A Zero-Product property

Exercise 45 (page 118)

45f)               5a(2a + 7) = 0  

How to solve?

Exercise 45 (page 118)

45f)                        5a(2a + 7) = 0  

                 5a  = 0         V         2a + 7 = 0

                                                          2a  = -7

                         a = 0      V       a = -3.5         

Work Independently

Do Exercise 45 (page 118) (5 minutes)

When you are done start on the homework: Exercises 46, 49, 52

Exercise 52 (page 119)

Homework for 22 April

Do Exercises 46, 49, 52 (page 118-119)

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