Can yall help me out

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.