What I Know (Q2M7)

QuizΒ by Roselle Castellano

Mathematics

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10 questions
• Q1

Which of these shows a square of a binomial?

(π2 + π2)

(π + π)2

(π2π2)

(ππ)2

30s
M7AL-IIe-g-1
• Q2

(3π + 2)2 = ____ + 12π + 4; What is the missing term?

9a

6a

6π2

9π2

30s
M7AL-IIe-g-1
• Q3

(2π β 2π)2 = 4π2 + ____ + 4π2; What is the missing term?

β4πb

4πb

β8πb

8πb

30s
M7AL-IIe-g-1
• Q4

(π β 4π)2 = π2 β 8ππ + ____; What is the missing term?

β8π2

16π2

β16π2

8π2

30s
M7AL-IIe-g-1
• Q5

Which of the following shows cube of a binomial?

(ππ)3

(π3π3)

(π3 + π3)

(π + π)3

30s
M7AL-IIe-g-1
• Q6

What is the correct expansion of (a + b)3?

a3+2a2b+2ab2+b3

a3+a2b+ab2+b3

a3+b3

a3+3a2b+3ab2+b3

30s
M7AL-IIe-g-1
• Q7

What is the correct expansion of (a-b)3?

-a3-3a2b-3ab2-b3

a3-3a2b+3ab2-b3

-a3+2a2b+2ab2-b3

a3-b3

30s
• Q8

(a+2)3=a3+6a2+12a+___; what is the missing term?

4

2

6

8

30s
M7AL-IIe-g-1
• Q9

(x-2y)3=x3-6x2y+___-8y3; what is the missing term?

24xy2

6xy2

18xy2

12xy2

30s
• Q10

What is the product of (a+1) and (a2+2a-1)?

a3+3a2-2a+1

a3+3a2+2a+1

a3+3a2+a-1

a3+3a2+3a-1

30s
M7AL-IIe-g-1

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