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Slide 1: Slide
WiskundeMiddelbare schoolhavoLeerjaar 3

This lesson contains 23 slides, with interactive quizzes and text slides.

## Items in this lesson

#### Slide 1 -Slide

Today
• Start (5 min)
• New subject (15 min)
• Bettermarks (20 min)
• Exercise together  (15 min)
• Bettermarks (20 min)
• End lesson (5 min)

#### Slide 2 -Slide

<

A. Between the points of intersection
B. Outside the points of intersection

f(x)
g(x)
timer
0:30

#### Slide 3 -Slide

g(x) < f(x)
A
Between the p.o.i.
B
Outside the p.o.i.

#### Slide 4 -Quiz

<

A. Between the points of intersection
B. Outside the points of intersection

f(x)
g(x)

#### Slide 5 -Slide

<

Mark the parts of the x-axis where the above is correct

f(x)
g(x)

4x2+24x+32>0

#### Slide 7 -Slide

or
or
4x2+24x+32>0
4x2+24x+32=0
x2+6x+8=0
(x+2)(x+4)=0
x+2=0
x+4=0
x=2
x=4

#### Slide 8 -Slide

Step 1: Rearrange the formula so it says > 0
Step 2: Solve the equation (find the zeroes)
Step 3: See if it's a upward or downward opening parabola
Step 4: Make the conclusion

timer
2:00

#### Slide 9 -Slide

or
or
So                      or
4x2+24x+6>26
4x2+24x+32=0
x2+6x+8=0
(x+2)(x+4)=0
x+2=0
x+4=0
x=2
x=4
x<4
x>2
timer
5:00
4x2+24x+32>0

4x2+24x+32>0

Checkpoint C13
05-03

2-test C13

#### Slide 13 -Slide

Bettermarks
• Work on 13.6
• 20 min
• Raise your finger if you have any questions or when you're finished
timer
20:00

Los op:
3x2+33x+30>0

3x2+33x+30>0

3x2+33x+30=0
3x2+33x+30>0

3x2+33x+30=0
x2+11x+10=0
3x2+33x+30>0

3x2+33x+30=0
x2+11x+10=0
(x+1)(x+10)=0
3x2+33x+30>0

#### Slide 19 -Slide

of

3x2+33x+30=0
x2+11x+10=0
(x+1)(x+10)=0
x+1=0
x+10=0
3x2+33x+30>0

#### Slide 20 -Slide

of
of
3x2+33x+30=0
x2+11x+10=0
(x+1)(x+10)=0
x+1=0
x+10=0
x=1
x=10
3x2+33x+30>0

#### Slide 21 -Slide

of
of
3x2+33x+30=0
x2+11x+10=0
(x+1)(x+10)=0
x+1=0
x+10=0
x=1
x=10
3x2+33x+30>0

#### Slide 22 -Slide

Zelfstandig werken
• Werk aan opgaven 13.6
• Overleg met je buurman/buurvrouw
• Vragen? Steek je vinger op