# Quadratic Equations : Making a Perfect Square

Not what you're looking for?

What must be added to each of the following expressions to obtain a perfect square?

a) x^2 + 5x

b) a^2 + 2ka

c) c^2 - 4c

##### Purchase this Solution

##### Solution Summary

The constant that needs to be added to turn an expression into a perfect square is found.

##### Solution Preview

a) x^2 + 5x

The coefficient of x is 5. Half of this is 5/2

x^2 + 5x + (5/2)^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.

##### Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

##### Probability Quiz

Some questions on probability

##### Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

##### 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.