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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Solve the cubic variable value of the expressions

Grade: 7-a Lesson: S4-L3

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

Determine the value of an expression
when \$ a= 1/2 , b = 2\$
\$ a^3 + b^3 \$

A) \$ -65/8 \$

B) \$ 67/3 \$

C) \$ 65/8 \$

D) \$ 63/5 \$

Steps 2

Determine the value of an expression
when \$ x= 2 , y = 1/3\$
\$ x^3 - y^3 \$

A) \$ 214/33 \$

B) \$ -215/13 \$

C) \$ 211/34 \$

D) \$ 215/27 \$

Steps 3

Determine the value of an expression
when \$ m= 2/3 , n = -1/2\$
\$ m^3 + n^3 \$

A) \$ 37/216 \$

B) \$ 43/216 \$

C) \$ -15/211 \$

D) \$ 70/213 \$

Steps 4

Determine the value of an expression
when \$ s= -1/2 , p = -1/2\$
\$ s^3 - p^3 \$

A) \$ 2 \$

B) \$ 0 \$

C) \$ 1 \$

D) \$ 5 \$

Steps 5

Determine the value of an expression
when \$ x= 2 , y = 3\$
\$ x^3 + 2y^3 \$

A) \$ 62 \$

B) \$ 63 \$

C) \$ 34 \$

D) \$ 19 \$

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