# How do you complete the square in algebra?

Table of Contents

## How do you complete the square in algebra?

Steps

- Step 1 Divide all terms by a (the coefficient of x2).
- Step 2 Move the number term (c/a) to the right side of the equation.
- Step 3 Complete the square on the left side of the equation and balance this by adding the same value to the right side of the equation.

**How do you complete the square problem?**

To complete the square, it is necessary to find the constant term, or the last number that will enable factoring of the trinomial into two identical factors. To find the constant term needed, simply take the coefficient of “����,” divide by 2, and square the quotient.

### What is square completion method?

Completing the square method is one of the methods to find the roots of the given quadratic equation. In this method, we have to convert the given equation into a perfect square. We can also evaluate the roots of the quadratic equation by using the quadratic formula.

**Why do we complete the square?**

Completing the Square is a technique which can be used to find maximum or minimum values of quadratic functions. We can also use this technique to change or simplify the form of algebraic expressions. We can use it for solving quadratic equations.

## Why we use completing square method?

**Who discovered completing the square?**

Al-Khwarizmi, as Muhammed is more commonly called, solved quadratic equations by the method we call today, completing the square.

### What is perfect square formula?

What is the Perfect Square Formula? We apply the perfect square formula when we have to calculate the square of any binomial. It calculates the square of sum or difference of two terms or can be used in factorization. The perfect square formula is: (a ± b)2 = (a2 ± 2ab + b2)

**How is square formula derived?**

The derivation of this formula can be outlined as follows: Divide both sides of the equation ax2 + bx + c = 0 by a. Transpose the quantity c/a to the right side of the equation. Complete the square by adding b2 / 4a2 to both sides of the equation.

## What is a square number in math?

A square number is the result when a number has been multiplied by itself. For example, 25 is a square number because it’s 5 lots of 5, or 5 x 5. This is also written as 52 (“five squared”). 100 is also a square number because it’s 102 (10 x 10, or “ten squared”).

**Why is it called completing the square?**

Talk the Talk This procedure is called completing the square because, by adding 16 to both sides in Example 2, you’re creating a trinomial that’s a perfect square. Therefore, it can be written as (x + a)2, where a is the number from the bug’s midsection.

### What is the all formulas of square?

Perimeter, Area, and Volume

Table 2. Area Formulas | ||
---|---|---|

Shape | Formula | Variables |

Square | A=s2 | s is the length of the side of the square. |

Rectangle | A=LW | L and W are the lengths of the rectangle’s sides (length and width). |

Triangle | A=12bh | b and h are the base and height |

**What is the formula for square numbers?**

What Is the Squaring Formula in Math? In math, the square formula calculates the square of any number, square of a = a2 = a × a, such as the square of 5 is 5 × 5 = 25.

## Who discovered completing the square method?

**Who derived completing square method?**

1 Expert Answer. Al-Khwarizmi, also known commonly as Muhammed, derived the “completing the square” method for solving a quadratic equation.