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1TH/vwo §6.3 Linear formulas
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Slide 1:
Slide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 1
This lesson contains
15 slides
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interactive quizzes
and
text slides
.
Lesson duration is:
50 min
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Items in this lesson
Slide 1 - Slide
§6.3 Linear formulas
In this Lessonup
+ linear graphs and
+ linear formulas are dealt with
Slide 2 - Slide
Slide 3 - Slide
Formula: number of visits x 3 + 6 = amount
Statement 1:
The graph for this formula is a straight line.
Slide 4 - Slide
St. 1: This graph is a straight line.
A
true
B
false
Slide 5 - Quiz
8
It is a straight line indeed,
as you see alongside.
We call this a LINEAR GRAPH!
Time for a joke.
Slide 6 - Slide
8
So a STRAIGHT LINE
is a LINEAR GRAPH
and it has a
LINEAR FORMULA !
Slide 7 - Slide
Slide 8 - Slide
number of visits x 3 + 6 = amount
Statement 2:
The roles that is played by the numbers 3 and 6 are the same.
Slide 9 - Slide
St. 2: The roles are the same.
(Explanation next slide.)
A
true
B
false
Slide 10 - Quiz
It will be clear by now that
the numbers 6 and 3
play a completely different role!
Slide 11 - Slide
Question:
What is the STARTING VALUE in this Formula?
ANS
Slide 12 - Slide
The STARTING VALUE IS ...
A
20
B
10
Slide 13 - Quiz
Important:
+ when a graph is a STRAIGHT LINE it is called a LINEAR GRAPH
+ the formula of a linear graph is called a LINEAR FORMULA
Slide 14 - Slide
Homework time
Do §6.3 now,
1. make 2. correct 3.picture 4. send in in GC
By the way, this § isn't that much work. Only one graph to be drawn.
Lucky you!
Slide 15 - Slide
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