Algebraic Expressions Quiz 3

Question 1

(2x + 9y &ndash; 7z) + (3y + z + 3x) + (2x &ndash; 4y &ndash; z) = &hellip;&hellip;

Accepted Answer

7x + 8y &ndash; 7z

Answer

&ndash; 7x + 8y &ndash; 7z

Answer

7x &ndash; 8y &ndash; 7z

Answer

7x &ndash; 8y + 7z

Question 2

Simplification of $2x^2+5x-1+8x+x^2+7-6x+3-3x^ 2$ is &hellip;&hellip;

Accepted Answer

7x + 9

Answer

7x &ndash; 9

Answer

&ndash; 7x + 9

Answer

6x + 9

Question 3

If A = $4x^2+y^2-6xy$, B = $3y^2+12x^2+8xy$ then A &ndash; B = ?

Accepted Answer

$-8x^2-2y^2-14xy$

Answer

$8x^2-2y^2-14xy$

Answer

$-8x^2+2y^2-14xy$

Answer

$-8x^2-2y^2+14xy$

Question 4

$(3a^2-8ab-2b^2)-(3a^2-4ab+6b^2)$ = &hellip;

Accepted Answer

$-4ab-8b^2$

Answer

$-4ab+8b^2$

Answer

$4ab+8b^2$

Answer

$4ab-8b^2$

Question 5

A pattern of letter &lsquo;z&rsquo; is?

Accepted Answer

3n

Answer

2n

Answer

2n + 1

Answer

3n + 1

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