Lesson Topics Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Equivalent expressions |
Grade Lesson s5-l5 |
Explanation: Let us discuss a few questions on this topic and review the answers to every question. |
Quiz: Discussion
Id | Name | Note |
---|---|---|
Simplify the expression \$(x^3 - y^3)/(x - y)\$. |
A) \$ x^3 + xy + y^3 \$ B) \$ x^2 + xy + y^2 \$ C) \$ x^2 + 2xy + y^2 \$ D) \$ x^2 - xy - y^2 \$ |
|
Simplify the expression \$\sqrt(5 + 2\sqrt6) + \sqrt(5 - 2\sqrt6)\$. |
A) \$ 10 \sqrt5 \$ B) \$ 3 \sqrt6 \$ C) \$ 2 \sqrt3 \$ D) \$ -2 \sqrt5 \$ |
|
Simplify the expression: \$\sqrt(a^2 + 2ab + b^2) - \sqrt(a^2 - 2ab + b^2)\$. |
A) - 2ab B) 2a C) 4ab D) 2b |
|
Simplify the expression \$((2x^3y^2)(-3xy^4)^2)/((6x^4y^3)^2)\$. |
A) \$ (-y^4)/(2x^3)\$ B) \$ (y^3)/(2x^2)\$ C) \$(y^4)/(2x^3)\$ D) \$ (-y^3)/(2x^2)\$ |
|
Simplify the expression \$(2x - 1)(x^2 + 3x - 4) - 2(x + 2)(x - 1)\$. |
A) \$2x^3 + 3x^2 -13x - 8\$ B) \$2x^3 + 3x^2 -13x + 8\$ C) \$2x^3 - 3x^2 -13x + 8\$ D) \$2x^3 + 3x^2 +13x - 8\$ |
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