# Parabolas (t1b)

Parabolas

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

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

Lesson duration is: 75 min

## Items in this lesson

Parabolas

February 15th 2022
t1b
12:05

#### Slide 1 -Slide

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

Quizzes
• Practice                                                           30 min

#### Slide 2 -Slide

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

#### Slide 3 -Slide

What happens when I fill in
x = 4 or x = -4
y=21x24
A
B
C
It depends on the formula
D
It's impossible to tell

#### Slide 4 -Quiz

Complete the table in your notebook.

#### Slide 5 -Open question

Copy and complete the table in your notebook.

#### Slide 8 -Slide

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 -Slide

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 -Slide

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 -Drag question

Practice
f

Green: basic route