Question 1

Which is the correct expansion of: (3m + 4)(m - 6)

Accepted Answer

$3m^2-18m+4m-24$

Answer

$3m^2-18m+4m-24$

Answer

$3m^2-18m+4m-24$

Answer

$3m^2-18m+4m-24$

Question 2

Find the coefficient of the xy term in the expansion of (10x - 3y)(4x - 9y).

Accepted Answer

-102

Answer

-78

Answer

78

Answer

102

Question 3

Factorize (3x+ 7)² - (3x + 7)(2x - 1).

Accepted Answer

(3x + 7)(x + 8)

Answer

(3x + 7)(x + 6)

Answer

(3x + 7)(5x + 8)

Answer

(3x + 7)(5x + 6)

Question 4

Factorize 2ax - 5by - bx + 10ay.

Accepted Answer

(2a - b)(x + 5y)

Answer

(2a + b)(x + 5y)

Answer

(2a - b)(x - 5y)

Answer

(2a + b)(x - 5y)

Question 5

Factorize (x + y)(x - y) - x - y.

Accepted Answer

(x + y)(x - y -1)

Answer

(x + y)(x - y + 1)

Answer

(x - y)(x + y + 1)

Answer

(x - y)(x - y -1)

Question 6

Expand: 3(5x - 2)

Accepted Answer

15x - 6

Answer

5x - 6

Answer

5x - 2

Answer

15x - 2

Question 7

Expand (–3 + y)(6y).

Accepted Answer

–18y+ 6y²

Answer

3 + 12y

Answer

18y + 6y2

Answer

–3y+ 7y²

Question 8

Expand (x² + 2)(x² – 2).

Accepted Answer

x4 – 4

Answer

x4 + 4

Answer

2x2 – 4

Answer

2x2 + 4

Question 9

Expand (3h- 8)(5h - 11).

Accepted Answer

15h² - 73h + 88

Answer

15h² + 73h + 88

B.

Answer

15h² + 73h - 88

Answer

15h² - 73h - 88

Question 10

Simplify (5x- 3y) - (2x- 5y).

Accepted Answer

3x + 2y

Answer

7x - 8y

Answer

3x - 8y

Answer

7x + 2y

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