Advanced Math: Equivalent expressions — Quiz 1

Questions in this quiz (10)

1. Which expression is equivalent to $$8x+5x+2y+7y$$?

   • $$13x+9y$$
   • $$13x+5y$$
   • $$10x+9y$$
   • $$8x+14y$$

2. Which expression is equivalent to $$(6xy)(2y)(3z)$$?

   • $$36xy^2z$$
   • $$36x^2yz$$
   • $$12xy^2z$$
   • $$36xyz$$

3. Which of the following is equivalent to $$3x^3+6$$?

   • $$3(x^3+2)$$
   • $$6(x^3+1)$$
   • $$3(x^3+6)$$
   • $$6(x^3+2)$$

4. Which expression is equivalent to $$12(x^2-5)$$?

   • $$12x^2-60$$
   • $$12x^2-5$$
   • $$24x^2-60$$
   • $$12x^2+60$$

5. Which expression is equivalent to $$18w-(6w+4w)$$?

   • $$8w$$
   • $$10w$$
   • $$12w$$
   • $$14w$$

6. Which expression is equivalent to $$x^{\frac{1}{5}}$$, where $$x$$>$$0$$?

   • $$\sqrt{x^5}$$
   • $$x\sqrt{x}$$
   • $$\sqrt[5]{\frac{1}{x}}$$
   • $$\sqrt[5]{x}$$

7. Which expression is equivalent to $$6x^2+9x$$?

   • $$3x(2x+3)$$
   • $$6x(x+9)$$
   • $$9x(6x+1)$$
   • $$3x^2(2+3x)$$

8. Which expression is equivalent to $$14x^3-9x^3$$?

   • $$5x^3$$
   • $$23x^3$$
   • $$5x^6$$
   • $$23x^6$$

9. Which of the following is equivalent to $$4(x+6)-8$$?

   • $$4x+16$$
   • $$4x+24$$
   • $$4x-2$$
   • $$4x+32$$

10. Given $$(x+7)+(3x-5)$$, which of the following is equivalent to the given expression?

    • $$4x+2$$
    • $$4x+12$$
    • $$3x+2$$
    • $$4x-12$$