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What is a quadratic equation? The name Quadratic comes from “quad” meaning squared because the variable is being squared like “x2”, it is also called “Equation of degree 2” because of the (“2” in the x).Well, quadratic equations simply mean an equation that has the form ax2+bx+c=0, that involves a variable and a square of this variable. Whenever I travel to other places I would definitely see quadratic equations from different designs of buildings to the shape of rocks and trees. In other words, quadratic equations is also a form of art.
Before I started learning about quadratic equations, I thought that it would be similar to linear equations, well it’s not.
Linear equations look like any other equation, it is made out of two expression sets equal to each other. It is*…show more content…*

To solve quadratic equations by using the factorizing method simply means we need to factorize the quadratic equation. For example: x2 + 3x – 4 is (x+4) and (x−1), simply just arrange it in this form: ax2 + bx + c = 0. Which would be: (x+4) and (x−1) =0 So, x=-4 or x=1 Last but not least, to solve quadratic equations by using the completing square method: • Step 1 Divide all terms by a (the coefficient of x2). • Step 2 Move the number term 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. • We now have something that looks like (x + p)2 = q, which can be solved easily: • Step 4 Take the square root on both sides of the equation. • Step 5 Subtract the number that remains on the left side of the equation to find x. We use quadratic equation is also important in science and business too. Scientist use it because the shape U of a parabola can describe a bouncing ball. Or used by businessman as it could forecast business profit and loss or it could determine the minimum and maximum

To solve quadratic equations by using the factorizing method simply means we need to factorize the quadratic equation. For example: x2 + 3x – 4 is (x+4) and (x−1), simply just arrange it in this form: ax2 + bx + c = 0. Which would be: (x+4) and (x−1) =0 So, x=-4 or x=1 Last but not least, to solve quadratic equations by using the completing square method: • Step 1 Divide all terms by a (the coefficient of x2). • Step 2 Move the number term 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. • We now have something that looks like (x + p)2 = q, which can be solved easily: • Step 4 Take the square root on both sides of the equation. • Step 5 Subtract the number that remains on the left side of the equation to find x. We use quadratic equation is also important in science and business too. Scientist use it because the shape U of a parabola can describe a bouncing ball. Or used by businessman as it could forecast business profit and loss or it could determine the minimum and maximum

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