What is the vertex form of #y= x^2+7x-30 #?
1 Answer
Mar 31, 2017
Explanation:
transpose -10 to the right side of the equation, from negative it will change its sign into positive
Complete the square of the right side of the equation
Get half of the coefficient of x, then raise it to the second power.
Mathematically as follows:
then add,
simplify the right side and factor the left side