quadratic formulas

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

The class notebook

• Yoram: 4d
• Sacha: 8g
• Bob: 8j
• Celine: 13a
• Olivia: 13f
• Claire: 14

Calculate:

√​169​​​

Calculate:

25​2​​

Calculate:

−8​2​​

1. 64
2. -64

What is the problem with squaring negative numbers and how can you solve it?

Formulas

Make a table:

• Use -3 till 3 for x
• Draw the table with pencil

y=2x​2​​+4

Are you able to draw a graph?

• What do you do first?
• What coordinates do you know?
• What kind of line belongs to a quadratic formula?

What have you learnt?

Homework

• Intorductory:19,
  23, 24, 27, 31
• Standard:20,
  21, 22, 25, 26, 28, 30, 32, 33, 34
• Extension:Page 46 q 3, 4, 5
• Yoram, Sacha, Bob, Celine, Olivia, Claire

First the class notebook!!