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Expanding Double Brackets

Quiz by DoodleMaths Ages 7-16

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Q 1/25
Score 0
(x + 3)(x + 4) = x² + 3x + 4x + _ ?
29
12
7
1
10

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25 questions

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Q1
(x + 3)(x + 4) = x² + 3x + 4x + _ ?
12
7
1
10
30s
Q2
(x + 2)(x + 3) = x² + 2x + 3x + 6 = x² + _x + 6?
23
1
5
6
30s
Q3
Expanding (x + 3)(x + 5) gives:
x²+8x+8
x²+8x+15
x²+15x+8
x²+15x+15
30s
Q4
Expanding, (x + 3)(x + 6) = x² + 9x + 18
true
false
True or False
30s
Q5
(x + 2)(x + 5) =
x²+7x+7
x²+7x+10
x²+5x+7
x²+5x+10
30s
Q6
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30s
Q7
Expanding, (x + 8)(x - 2) =
x²+6x-16
x²-6x-6
x²+6x+16
x²-6x-16
30s
Q8
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30s
Q9
Expanding, (x - 3)(x - 7) = x² - 10x + 21
true
false
True or False
30s
Q10
Expanding, (x + 1)(x - 7) =
x²-6x-7
x²+ 8x-7
x²-6x+7
x²+6x-7
30s
Q11
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Linking
30s
Q12
Expanding, (x + 2)(x - 7) =
x²+5x+14
x²+9x-14
x²-5x-14
x²+5x-14
30s
Q13
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Linking
30s
Q14
(x + 2)(x + 3) = x² + _x + 6?
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Type an Answer
30s
Q15
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Linking
30s

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