# 2TH §11.4 AxB=0 (part 1)

What will we do today...
• Entry ticket
• New theory: §11.4 A x B = 0
• Homework: S30, 31, S33
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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 2

This lesson contains 14 slides, with interactive quiz and text slides.

Lesson duration is: 50 min

## Items in this lesson

What will we do today...
• Entry ticket
• New theory: §11.4 A x B = 0
• Homework: S30, 31, S33

Entry ticket
timer
6:00

#### Slide 2 -Slide

§11.4 A x B = 0
All the 'factorising' you have done in the first three paragraphs
will be used today for a special purpose.

So you see that a chapter is not a bunch of loose items!

#### Slide 4 -Slide

Recap on §11.2 and §11.3
To work your way much easier through §11.3,
first we look back shortly.

#### Slide 7 -Slide

Solving an Equation that is a Product:
A  x  B = 0.  This equation can only be 0, when
A = 0  or  B = 0
In the next example the 'A' and the 'B' are expressions with 'x'.
Just watch!

#### Slide 10 -Slide

The two values for m.  Key in your answers in the next slide
timer
1:00

#### Slide 11 -Slide

A. 0 and -7 B. 2 and -7
C. 0 and 2 D. -2 and 7

A
0 and -7
B
2 and -7
C
0 and 2
D
-2 and 7