Algebraic Expression Quiz 3

Question 1

The formula used in the product of $96\times104$ is &hellip;&hellip;&hellip;&hellip;&hellip;&hellip;.

Accepted Answer

(a + b) (a &ndash; b)

Answer

$(a-b)^2$

Answer

$(a+b)^2$

Answer

$a^2-b$

Question 2

The formula used in the product of $196^2$ is &hellip;&hellip;&hellip;&hellip;&hellip;

Accepted Answer

$(a-b)^2$

Answer

(a + b) (a &ndash; b)

Answer

$a^2-b$

Answer

$a-b^2$

Question 3

$987^2 - 13^3 =$

Accepted Answer

9, 74, 000

Answer

79, 400

Answer

14, 000

Answer

14, 009

Question 4

(4x + 5y) (4x &ndash; 5y) = &hellip;&hellip;&hellip;&hellip;&hellip;&hellip;&hellip;

Accepted Answer

$16x^2-25y^2$

Answer

$x^2-16y^2$

Answer

$16x^2-y^2$

Answer

$16x-25$

Question 5

$(a -b)^2 - (a-b)^2 = $ ...........

Accepted Answer

0

Answer

2ab

Answer

ab

Answer

$\frac{ab}2$

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