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Grade 8 Algebra Revision

Authored by Joshua Kupa

Mathematics

8th - 9th Grade

Used 77+ times

Grade 8 Algebra Revision
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expand and simplify

 10(a7b)+11(2a4b)-10(a–7b)+11(2a–4b)  

 12a + 26b12a\ +\ 26b  

 33a  114b33a\ -\ 114b  

 33a 26b-33a\ -26b  

 12a 26b-12a\ -26b  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expand and simplify

 6x(x+4)+8x26x(x+4)+8x^2  


 38x338x^3  

 14x4+24x14x^4+24x  

 24x + 14x224x\ +\ 14x^2  

 6x2+24x + 8x26x^2+24x\ +\ 8x^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expand and simplify 

 a(b+c)8(4ab2c)a(b+c)–8(4ab–2c)  

 31ab +17c-31ab\ +17c  

 31ab  15c-31ab\ -\ 15c  

 33ab 16c33ab\ -16c  

 33ab 17c-33ab\ -17c  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write the following ratio in its simplest form

3.6 : 30

0.3 : 5

6 : 5

36 : 30

3 : 25

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write the following ratio in its simplest form

 2 : 142\ :\ \frac{1}{4}  


 8 : 18\ :\ 1  

 2 : 42\ :\ 4  

 2 : 12\ :\ 1  

 2 : 1 : 42\ :\ 1\ :\ 4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 213 : 112 : 42\frac{1}{3}\ :\ 1\frac{1}{2}\ :\ 4  

 2 : 1 : 42\ :\ 1\ :\ 4  

 3 : 2 : 43\ :\ 2\ :\ 4  

 14 : 9 : 2414\ :\ 9\ :\ 24  

 1 : 1 : 41\ :\ 1\ :\ 4  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fatorise

 11x + 22y + 33z11x\ +\ 22y\ +\ 33z  

 1 (11x + 22y + 33z)1\ \left(11x\ +\ 22y\ +\ 33z\right)  

 11 (x + 22y + 33z)11\ \left(x\ +\ 22y\ +\ 33z\right)  

 11 (x + 2y + 3z)11\ \left(x\ +\ 2y\ +\ 3z\right)  

 33( x + y + z)33\left(\ x\ +\ y\ +\ z\right)  

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