Question 1

To expand $(x-4)^2$, which of the following expansion formula as shown in the image is used?

Accepted Answer

3

Answer

2

Answer

4

Answer

1

Question 2

To expand $(x+7)(x-5)$, which of the following expansion formula as shown in the image is used?

Accepted Answer

1

Answer

3

Answer

4

Answer

2

Question 3

To expand $(x+4)(x-4)$, which of the following expansion formula as shown in the image is used?

Accepted Answer

4

Answer

2

Answer

1

Answer

3

Question 4

To expand $(x+9)^2$, which of the following expansion formula as shown in the image is used?

Accepted Answer

2

Answer

3

Answer

4

Answer

1

Question 5

Expand  $(y+2)(y-6)$ .

Accepted Answer

$y^2-4y-12$

Answer

$y^2-8y-12$

Answer

$y^2+8y+12$

Answer

$y^2+4y-12$

Question 6

Expand $(ab-3)(ab-4)$.

Accepted Answer

$a^2b^2-7ab+12$

Answer

$a^2b^2-7ab-12$

Answer

$a^2b+7ab-12$

Answer

$ab-7ab+12$

Question 7

Expand $(x+6)^2$.

Accepted Answer

$x^2+12x+36$

Answer

$x^2-12x-36$

Answer

$x^2+6x+36$

Answer

$x^2-12x+36$

Question 8

Expand$(x-\frac{4}{5})^2$

Accepted Answer

$x^2-\frac{8}{5}x+\frac{16}{25}$

Answer

$x^2-\frac{4}{5}x+\frac{16}{25}$

Answer

$x^2+\frac{8}{5}x-\frac{16}{25}$

Answer

$x^2-\frac{16}{25}x+\frac{8}{5}$

Question 9

Expand $(a-6b)(a+6b)$.

Accepted Answer

$a^2-36b^2$

Answer

$a^2-12ab-6b^2$

Answer

$a^2-12ab-36b^2$

Answer

$a^2+36b^2$

Question 10

Expand $(-3a-8b)^2$

Accepted Answer

$9a^2+48ab+64b^2$

Answer

$9a^2-24ab-64b^2$

Answer

$9a^2+24ab+64b^2$

Answer

$9a^2-48ab+64b^2$

Question 11

Simplify $(x+2)(x+6) +(x-1)^2$

Accepted Answer

$2x^2+6x+13$

Answer

$2x^2+4x+10$

Answer

$2x^2-6x+13$

Answer

$x^2+6x+15$

Question 12

Simplify $(2a+5)(2a-5)-4(a-3)^2$

Accepted Answer

$24a-61$

Answer

$24-61a$

Answer

$24a+61$

Answer

$14a-51$

Question 13

Simplify $(2a+\frac{b}{4})^2-(2a-\frac{b}{4})^2$.

Accepted Answer

$2ab$

Answer

$ab$

Answer

$-2ab$

Answer

$3ab$

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