Question

Choose the appropriate option to fill in the blank.
${28x}^4÷56x$ =

• A. $\frac{x}{2}$
• B. $\frac{x^3}{2}$
• C. $\frac{x^3}{4}$
• D. $\frac{x^2}{4}$

Answer 1

The correct option is B $\frac{x^3}{2}$

${28x}^4÷56x$

= $\frac{2\times 2\times 7\times x\times x\times x\times x}{2\times 2\times 2\times 7\times x}$

= $\frac{x^3}{2}$