QUADRACTIC FUNCTIONS & EQUATION

 $x^2-5$  

Determine whether each of the following expressions is a quadractic expression in one variable.

• YES

• NO

 $2x^2+x^{-2}$  

Determine whether each of the following expressions is a quadractic expression in one variable.

• YES

• NO

 $3y^2-3x+1$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $-\frac{1}{2}m^2$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $x^3-x$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $x^{\frac{1}{2}}+2x\ -1$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $\frac{1}{x^2}+\ 4x\ -1$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $p^2-\frac{1}{2}p+3$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $n\left(n-2\right)$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO

 $a^2+2a-6a+3$  

Determine whether each of the following expressions is a quadratic expression in one variable.

• YES

• NO