Math Quiz Bee

 $\left(2x+y\right)^2$  

•  $4x^2+4xy+y^2$  

•  $2x^2+2xy+y^2$  

•  $4x^2+2xy+y^2$  

• None of the choices
  

What is another term for division sign?

• Obelus

• Obelum

• Obellus

• Obelisk

What is $\left(4x^2y^3z\right)^2$  ?

•  $16x^4y^6z^2$  

•  $16x^4y^5z^2$  

•  $4^2x^4y^6z^2$  

• None of the choices
  

What is $\frac{6x}{5y}\times\frac{10y^2}{12}$  ?

•  $xy$  

•  $2xy$  

•  $2x$  

• None of the choices
  

 $\left(3x+2y\right)\left(3x-2y\right)$  

•  $9x^2-4y^2$  

•  $9x^2+4y^2$  

•  $9x-4y$  

• None of the choices
  

What are the factors of 24a^2?

• $2\times2\times2\times3\times a\times a$

• $2\times2\times2\times2\times3\times a\times a$

• $2\times2\times2\times3\times a\times a\times a$

• None of the choices
  

What is the GCF of $8c^2d^2$  and  $4cd$  ?

•  $4cd$  

•  $8c^2d^2$  

•  $4c^2d^2$  

• None of the choices
  

It is an expression in one variable that can be written in the form of   $\frac{P}{Q}$    where P and Q are polynomials in one variable and  $Q\ne0$   .

• Rational Algebraic Expressions
  

• Ratio Algebraic Expressions

• Rational Algebraic Equations

• None of the choices
  

What is the final step in solving Rational Algebraic Expressions?

• Simplify your answers

• Multiply the numerators

• Divide the denominators

• None of the choices

What causes a rational expression undefined?

• If the denominator is zero

• If the numerator is zero

• If the variable is zero

• None of the choices