Polynomials 2 — Basic Algebra

Questions in this quiz (10)

1. Subtract: $$(6x^2+2x-1)-(3x^2+5x+4)$$

   • $$3x^2-3x+5$$
   • $$9x^2+7x+3$$
   • $$3x^2+7x-5$$
   • $$3x^2-3x-5$$

2. Subtract: $$(5x^2-3x+8)-(2x^2+x-4)$$

   • $$7x^2-2x+4$$
   • $$3x^2-4x+12$$
   • $$3x^2+4x-12$$
   • $$3x^2-2x+4$$

3. Subtract: $$(14a^2-5a+2)-(10a^2+3a-6)$$

   • $$4a^2-8a+8$$
   • $$24a^2-2a-4$$
   • $$4a^2+8a+8$$
   • $$4a^2-2a-4$$

4. Subtract: $$(9b^2+4b-6)-(9b^2+4b+2)$$

   • $$-4$$
   • $$8$$
   • $$-8$$
   • $$4$$

5. Simplify: $$(18x^2+5x-7)-(6x^2+2x-4)$$

   • $$12x^2+3x+3$$
   • $$24x^2+7x-11$$
   • $$12x^2+7x-3$$
   • $$12x^2+3x-3$$

6. What is the sum of the polynomials? $$(3xy+2x^2y-5x)+(4x-2x^2y+xy)$$

   • $$4xy-x$$
   • $$7xy-x$$
   • $$6xy-9x$$
   • $$2x^2y+7xy-x$$

7. Which of the following equals: $$(6x^2+x-2)-(2x^2-4x+5)?$$

   • $$8x^2-3x+3$$
   • $$4x^2+5x-7$$
   • $$4x^2-3x-7$$
   • $$8x^2+5x-7$$

8. Simplify: $$8xy^3-14x^2+6+5xy^3+9x^2-11$$

   • $$13xy^3-5x^2-5$$
   • $$3xy^3-23x^2-5$$
   • $$13xy^3-23x^2+17$$
   • $$13xy^3-5x^2+5$$

9. Add: $$(4x^2+5x+2xy)+(3x^2-4xy+9y)$$

   • $$x^2+5x-2xy+9y$$
   • $$7x^2+5x+6xy+9y$$
   • $$7x^2+5x-2xy+9y$$
   • $$7x^2+10x-2xy+9y$$

10. Subtract: $$(5xy^2+2x+3xy+7)-(2xy^2+xy-5)$$

    • $$3xy^2+2xy+2x+12$$
    • $$7xy^2+4xy+2x+2$$
    • $$3xy^2+4xy+2x+12$$
    • $$3xy^2+2xy+x+2$$