Unit 6: Polynomials Review

Which expression is equivalent to (2x⁴y²)⁴ for all values of x and y where the expression is defined?

• 8x⁸y⁶

• 16x¹⁶y⁸

• 16x¹⁶y⁸

• 16x⁸y⁶

Which expression is equivalent to 2√252?

• 12√7

• 6√7

• 18√6

• 18√6

The area of a rectangle is 80a⁷b⁸ square feet. If the length of the rectangle is 8a³b⁵ feet, which expression 

                  represents the width of the rectangle in feet?

• 18a¹²b¹⁵

• 10a¹²b¹⁵

• 18a⁴b³

• 10a⁴b³

The expression (18y⁴)(y³)⁴ is equivalent to 18yⁿ.

                 What is the value of n? 

• 11

• 16

• 20

• 18

According to exponent rules, when we multiply the same base we _______ the exponents.

• Multiply
• Add
• Divide
• Subtract

Which expression is equivalent to ─17g² ─ 3/4(20g +5) +19g²?

• 2g² -15g -15/4

• -2g² +15g +15/4

• 36g² +15g +15/4

• -36g² -15g +15/4

Simplify the expression  (225m²⁴ n¹²​ )^1/2 for all positive values of m and n.

                 Write the correct answer in each box. Not all answers will be used.​ ​ (a)   ​m^ (b)   n ​^ (c)   ​

• 12
• 6
• 30
• 10
• 2

⁄Which expression is equivalent to the expression above for all values of p, q, and r where the expression is defined?

• 
• 
• 
• 

Three students simplified the expression to the left. Their answers are shown. Which student simplified the expression correctly?

                    Select ONE correct answer.

• 
• 
• 

Which expression is equivalent the expression above?

• 6x¹⁰

• 6x¹⁵

• 18x¹⁵

• 18x¹⁰