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3.2A relationships
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Slide 1:
Diapositive
Wiskunde
Middelbare school
vwo
Leerjaar 2
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Slide 1 - Diapositive
Slide 2 - Diapositive
How are you doing today?
😒
🙁
😐
🙂
😃
Slide 3 - Sondage
Learning goals
You know what the word 'relationship' means in mathematical context.
You are able to find a formula for a relation between x and y described by words.
Slide 4 - Diapositive
Read together
Let's read page 88 with random students.
Raise your hand when you have a question/don't know the word.
Slide 5 - Diapositive
In the formula y = x - 3, which is true?
A
x is always greater than y
B
y is always greater than x
Slide 6 - Quiz
In the formula y = x - 3, which is true?
A
x depends on y
B
y depends on x
Slide 7 - Quiz
In the formula y = x - 3, which is true?
A
For x = 1, y = 4
B
For x = 1, y = -3
C
For x = 1, y = -2
Slide 8 - Quiz
Drag the formulass to the matching relationships.
The x- and y-coordinates are equal.
the x coordinate is equal to half the y coordinate
The x-coordinate is one unit greater than the y-coordinate.
the y coordinate is equal to half the x coordinate
y = x
x - 1 = y
y / 2 = x
x / 2 = y
Slide 9 - Question de remorquage
Think of a new relationship between x and y and describe it with both words and a formula. Keep it simple :)
Slide 10 - Question ouverte
Do you think you could work with the relationships and formulas now?
Yass!
Yes, with a little help from a friend
Not yet.
Slide 11 - Sondage
The homework for next class is:
Chapter 3: assignments 22-28
Write this in your Plenda now.
Get started on the homework.
Write your answers in your notebook.
Write using a pen, draw using a pencil.
Done early? Explore & Investigate!
Slide 12 - Diapositive
I am able to draw the graph given a linear function.
Not yet
A little
A lottle
100%
Slide 13 - Sondage
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