# Parabolas (t1b)

Parabolas

February 15th 2022
t1b
12:05
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1 / 14
Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 1

In deze les zitten 14 slides, met interactieve quizzen en tekstslides.

Lesduur is: 75 min

## Onderdelen in deze les

Parabolas

February 15th 2022
t1b
12:05
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#### Slide 1 -Tekstslide

Schedule
• Announcements                                            5 min
• Review: quadratic formulas                    15 min
• Parabolas                                                         10 min

Quizzes
• Practice                                                           30 min

#### Slide 2 -Tekstslide

Announcements
• Test:
Monday, March 13th
Ch.5  &  ch.6

#### Slide 3 -Tekstslide

What happens when I fill in
x = 4 or x = -4
into a quadratic formula like...
y=21x24
A
The answers are different
B
The answers are the same
C
It depends on the formula
D
It's impossible to tell

#### Slide 4 -Quizvraag

Complete the table in your notebook.

#### Slide 5 -Open vraag

Copy and complete the table in your notebook.

#### Slide 8 -Tekstslide

A
The blue graph fits the table
B
The red graph fits the table
C
The orange graph fits the table
D
The green graph fits the table

#### Slide 10 -Tekstslide

How to draw a graph from a quadratic formula

Given is the formula
Draw the graph.

Step 1: MAKE A TABLE
Step 2: DRAW A COORDINATE SYSTEM
Step 3: PLOT THE POINTS FROM YOUR TABLE
Step 4: DRAW A SMOOTH CURVE
THROUGH THE POINTS
y=21x22

#### Slide 12 -Tekstslide

Step 1

Step 2

Step 3

Step 4
How to draw a graph
Plot the points
Draw a curve
Make a table
Draw a coordinate system

#### Slide 13 -Sleepvraag

Practice
f

Green: basic route