The quadratic equation: y=x^2+2x-8 is in standard form. What is the vertex and factored form equivalent to this? Also solve for X

Find the value of the variable and the length of each secant segment.

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.

What is mean median mode and range?