EASY ALGEBRA QUESTIONS PLEASE HELP

Rewrite x^2 + 6x - 4 in vertex form and identify the vertex.
(x-5)^2 - 3 ; (5, -3)
(x+5)^2 - 3; (5, -3)
(x+3)^2 + 5; (-3, 5)
(x-3)^2 + 5; (-3, 5)


What are the four ways to solve a Quadratic Equation? (choose four options below)
- Graphing to identify the x-intercepts
- y = mx + b
- Factoring and setting each factor equal to zero
- Completing the Square
- Exponential Functions
- The Quadratic Formula


Suppose the initial height of the stone is 12 feet and the stone is being launched with a velocity of 61 feet per second. What is the maximum height of the stone after it's launched?
A. -3/16 feet
B. 4 feet
C. 70 feet
D. 11 feet