GRADE 8 MATH QUIZ BEE

It is defined as an expression which is composed of variables, constants, and exponents, that are combined using the mathematical operations such as addition, subtraction, multiplication and division.

• Expression

• Polynomial

• Equation

Which of the following illustrates a polynomial?

• $2x\ +\ y^{-2}$

• $\frac{2x+y}{z}$

• $2x^2+4x-10$

  
  

 $2x^2+4x–10is\ classify\ as\$  _____________.

• Monomial

• Binomial

• Trinomial

A polynomial having a degree of 2 is called _____ according to its degree.

• Quadratic

• Cubic

• Linear

What is the degree of $15x^3y\ +\ xy^2$  ?

• 3

• 4

• 5

What is the gcf of the given polynomial? $2x^2\ +\ 4x\ -\ 10$  

• 2

• 2x

• 2x

Evaluate the given expression: 2n + 23; where: n = 10

• 20

• 33

• 43

Evaluate the given expression: $\left(x+y\right)^2$  where: x = 5 and y = 8

• 169

• 144

• 121

What is the product of 2x(3x+4)?

• 6x + 8x

• 6x² + 8x

• 4x² - 12xy -9y²

What is the product of two binomial: (2x+3y) (2x-3y) = ______.

• 4x² + 12xy – 9y²

• 4x² - 9y²

• 4x² - 12xy -9y²