8th
grade

Mathematics

73%

accuracy

442

plays

4 years

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1. Multiple Choice
2 minutes
1 pt
Factorise x² + 4x
x(x+4)
4x(x+1)
2. Multiple Choice
2 minutes
1 pt
Factorise 2x + 8
2(x+4)
2(x+8)
3. Multiple Choice
2 minutes
1 pt
Factorise 4x+12
4(x+3)
4(x+12)
4. Multiple Choice
2 minutes
1 pt
Difference of squares
Factor x²-16
(x-4)(x+4)
(x-4)(x-4)
(x+4)(x+4)
(x+4){x-(-4)}
5. Multiple Choice
3 minutes
1 pt
Factor:
p² - 14p
p(1 - 14)
2p(p - 7)
p²(1-14)
p(p - 14)
6. Multiple Choice
5 minutes
1 pt
Factor:
x² - 121
(x + 4)(x + 5)
(x + 20)(x + 1)
(x - 11)(x + 11)
$\left(x-11\right)^2$
7. Multiple Choice
30 seconds
1 pt
8uv - 3 v
8v (u - 3)
v (8u - 3)
v (8u - 3v)
5uv
8. Multiple Choice
30 seconds
1 pt
a² - 1
(a + 1)(a - 1)
(a - 1)(a - 1)
(a + 1)(a + 1)
1
9. Multiple Choice
30 seconds
1 pt
25 - a⁴
(5 - a²)(5 + a²)
5² - a²
5² + a²
None of above
10. Multiple Choice
30 seconds
1 pt
2x² - 18y²
2(x - 3y)(x + 3y)
2(x - 3y)²
2(x² - 3y²)
None of above
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