Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Adding and Subtracting Variables |
Grade: 6-a Lesson: S2-L6 |
Explanation: Let us discuss a few questions on this topic and review the answers to every question. |
Quiz: Discussion in Class
| Problem Id | Problem | Options |
|---|---|---|
Steps 1 |
Simplify the expression \$ (4"y"^2) + (7"y"^2) \$. |
A) \$11 "y"^3\$ B) \$15 "y"^2\$ C) \$15 "y"^3\$ D) \$11 "y"^2\$ |
Steps 2 |
Simplify the expression \$ 3"x" + 5"x"^3 + 9"x" + 6"x"^2 - 9"x"^3 \$. |
A) \$4"x"^3 + 9"x"^2 + 3"x"\$ B) \$-4"x"^3 + 6"x"^2 + 12"x"\$ C) \$-4"x"^3 + 8"x"^2 + 12"x"\$ D) \$4"x"^3 + 6"x"^2 + 9"x"\$ |
Steps 3 |
Simplify the expression \$ (3"x"^2) + (2"y") - (4"x"^2) \$. |
A) \$ (-"x"^2) + 3y \$ B) \$ ("x"^2) + 2y \$ C) \$ (-"x"^2) + 2y \$ D) \$ ("x"^2) + 3"y" \$ |
Steps 4 |
Simplify the expression \$ (8"xy") + (3"yx") \$. |
A) 11xy B) 12xy C) 5xy D) - 5xy |
Steps 5 |
Simplify the expression \$ 5 + "y"^5 + 3"y"^2 - 9"y"^5 + "y"^3 - 7 - "y"^2\$. |
A) \$-8"y"^5 + 4"y"^2 + "y"^3 - 2\$ B) \$6"y"^5 + 2"y"^2 + "y"^3 - 9\$ C) \$8"y"^5 + 5"y"^2 + "y"^3 - 2\$ D) \$-8"y"^5 + 2"y"^2 + "y"^3 - 2\$ |
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