Review paragraph 8.1, 8.2 and 8.3

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 1

Review paragraph 1, 2 and 3

In your notebook you always:

- copy the exercise

- write down calculations

- finish with your answer

In LessonUp you only need to type the answer

You can use a piece of paper for your calculations

Substitute a=3
in

−2a​2​​

Substitute x= -4 and p = -2
in

x​2​​−6p+5x

Simplify

3a - 8a

1. 5a
2. -5a
3. 5a​2​​
4. −5a​2​​

Simplify

3a - 8b

1. 5ab
2. -5ab
3. This can not be simplified

Simplify
5ac - 8ab

Simplify
-15ac - - 3ac

Simplify −𝑥−2𝑦−2𝑥+3𝑦

Simplify 4𝑚+2𝑘𝑙−7𝑚+5𝑘𝑚

Simplify

7a⋅12a

1. 19a
2. 19a​2​​
3. 84a
4. 84a​2​​

Simplify

−8a⋅2b

Which of these can not be simplified?

1. 5a+3b
2. 5b+3b
3. 5a⋅3b
4. 5b⋅3b

Simplify

3a⋅2c⋅4b

Simplify

8b⋅0⋅−a

Simplify
-3(b+c)

Simplify
(x+3)(x-5)

Simplify
(-2a+c)(4+3c)

Factorise
6x+18

Factorise
6x-18

Factorise

−3x+12x​2​​

Factorise

x​2​​+19x+18

Factorise

x​2​​+10x+25

Factorise

x​2​​−10x+25

Factorise

x​2​​−2x−15

Factorise

x​2​​−x−12