The triangle ABC is isosceles (AB = AC) DE parallel to BC
You need to prove: The ADE triangle is isosceles

Which of the following is the graph of y= square root -x-3

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.

Y= a(x-3)squared-1 what is the value of a