What is an equation for the translation of y = |x| down 8 units?

Which of the choices shown could be used to prove that aacp=abcp ?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

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.