2
4) If Adam completes the square for y = x
+ 6x + 2 in order to find the minimum, he must write the equation in
2
the general form y = (x – a)
+ b. What is the value of a for the equation? What is the value of b for the equation?
2
5) Given the equation y = -x
+ 8x + 5,
a) State whether the vertex represents a maximum or minimum point for the parabola. Explain your answer.
b) Rewrite the equation in vertex form by completing the square.
2
6) Given the equation y = 4x
– 8x – 5,
a) State whether the vertex represents a maximum or minimum point for the parabola. Explain your answer.
b) Rewrite the equation in vertex form by completing the square.