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The area of a rectangle is  $72r^5s^2t^7$  square units. If the length if the rectangle is  $3r^2t^4$  units, what is therectangle's width?

•  $69r^2s^2t^2$  

•  $14r^3st$  

•  $36r^2t^4$  

•  $24r^3s^2t^3$  

Simplify: $4x^5\cdot6x^{10}$  

•  $24x^{15}$  

•  $10x^{15}$  

•  $\sqrt{24x^{15}}$  

•  $\sqrt{10x^{15}}$  

Tags

CCSS.HSA.APR.A.1

Which expression represents the product of  $\left(2x^2y^2\right)\left(3x^3y^3\right)$ ?

•  $6x^6y^6$  

•  $5x^5y^5$  

•  $5x^6y^6$  

•  $6x^5y^5$  

Tags

CCSS.HSA.APR.A.1

Which expression is NOT equivalent to  $3^8$  ?

•  $\left(3^6\right)\left(3^2\right)$  

•  $\left(3^4\right)^2$  

•  $\left(3^4\right)\left(3^4\right)$  

•  $\left(3^4\right)^4$  

Tags

CCSS.8.EE.A.1

The area of a rectangle is  $64a^8b^{13}$  square units. If the width if the rectangle is  $16ab^7$  units, what is the length?

•  $8a^8b^6$  

•  $4a^7b^6$  

•  $48a^7b^6$  

•  $1024a^9b^{20}$  

Simplify:  $\frac{x^2y^5}{x^9y^5}$  

•  $x^2$  

•  $\frac{1}{x^2}$  

•  $\frac{1}{x^7}$  

•  $x^7$  

Tags

CCSS.8.EE.A.1

Simplify:  $\left(s^2r^{-4}\right)\left(s^6r^{-2}\right)$  

•  $\frac{s^8}{r^6}$  

•  $\frac{s^{15}}{r^8}$  

•  $r^6s^8$  

•  $r^7s^{13}$  

Tags

CCSS.8.EE.A.1

Simplify:  $\frac{12r^{15}}{2r^3}$  

•  $72r^3$  

•  $72r^{27}$  

•  $6r^3$  

•  $6r^{12}$  

Tags

CCSS.HSA.APR.A.1

Which expression is equivalent to $\frac{15x^7y^2}{3x^4y^3}$ ?

•  $5x^3y$  

•  $12x^3y$  

•  $\frac{5x^3}{y}$  

•  $\frac{12x^3}{y}$  

Tags

CCSS.HSA.APR.D.6

Evaluate the expression using the quotient rule.

• x¹³
• x⁵
• x³⁶
• x^-5

Tags

CCSS.8.EE.A.1