Algebra - Solving Quadratic Equations
Not what you're looking for?
A. Solve the equation x^2 + 8x - 2 = 0 using both the quadratic formula and by completing the square.
B. Briefly compare and contrast the two methods.
Please show all work and be as detailed as possible.
Purchase this Solution
Solution Summary
A complete, neat and step-by-step solution is provided with regards to solving quadratic equations.
Solution Preview
(A) (a) By Formula:
x^2 + 8x - 2 = 0
a = 1, b = 8, c = -2
x = [-b +_ sqrt(b^2 - 4ac)] / 2a
x = [-8 +_ sqrt{8^2 - 4 * 1 * -2}] / 2(1)
x = [-8 +_ sqrt 72] / 2
x = [-8 +_ 6 sqrt 2] / 2
x = ...
Purchase this Solution
Free BrainMass Quizzes
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts