Technical Calculator

Quadratic Formula Calculator

Enter variable coefficients of a second-degree equation and this tool will solve the solution with step-by-step calculations shown.

add to favorites Add to favorites

What is the Quadratic method?

The quadratic formula is stated to be one of the most potent gear in mathematics. This components is the solution of a 2d-diploma polynomial equation. the same old shape of a quadratic equation is mentioned-below:

ax1 + bx + c = 0

In which;

  • ‘a’ is the quadratic coefficient
  • ‘x’ is the unknown
  • ‘b’ is the linear coefficient
  • ‘c’ is the regular

\[ x = \dfrac{ -b \pm \sqrt{b^2 - 4ac}}{ 2a } \]

How to Use Quadratic formula Calculator?

Don’t agonize; this quadratic equation solver is quite clean to apply and loaded with smart and user-friendly interface!

Inputs:

Equation shape:

You need to choose the form of equation; this is the form in line with which you need to input the values into the certain fields of our quadratic feature calculator. This calculator makes use of the subsequent form:

  • Ax2 + Bx + C=0 (Standard Form)
  • A(x - H)2 + K =0 (Vertex Form)
  •  A(x-x₁)(x-x₂)= 0 (Factored Form)

Computation technique:

Our quadratic equation calculator permits you to solve the quadratic equation by way of the use of the quadratic formula and finishing the square technique

Input Values:

If you selected Ax2 + Bx + C=0 shape, then you have to input the values of A, B, and C

If you selected A(x - H)2 + K =0 shape, then you need to input the values of A, H, and ok

If you selected A(x-x₁)(x-x₂)= 0 shape, then you have to enter the values of A, x1, and x2

Output:

When you entered the above values, then our quadratic equation solver indicates the subsequent:

Display The Roots:

This quadratic root calculator suggests the root or roots of your given equation.

Display the Simplification:

The calculator simplify the given equation step-by using-step.

show The Discriminant:

if you clear up the quadratic equation with the aid of the use of the quadratic formulation, then our quadratic discriminant calculator display the discriminant

show the Quadratic Graph:

This quadratic graph calculator shows you the whole quadratic graph for a given equation!

Property Formula Example Calculation
Quadratic Formula x = (-b ± √(b² - 4ac)) / 2a For the equation 2x² + 4x - 6 = 0, a = 2, b = 4, c = -6. The roots are x = (-4 ± √(4² - 4×2×-6)) / 2×2 = (-4 ± √(16 + 48)) / 4 = (-4 ± √64) / 4 = (-4 ± 8) / 4. So, x = 1 or x = -3.
Discriminant (Δ) Δ = b² - 4ac For 2x² + 4x - 6, Δ = 4² - 4×2×-6 = 16 + 48 = 64.
Real Roots Real roots exist when Δ ≥ 0 For Δ = 64, there are real roots, because 64 ≥ 0.
Complex Roots Complex roots exist when Δ < 0 For x² + 2x + 5 = 0, Δ = 2² - 4×1×5 = 4 - 20 = -16, so the roots are complex.
Sum of Roots Sum = -b/a For 2x² + 4x - 6 = 0, Sum of roots = -4/2 = -2.
Product of Roots Product = c/a For 2x² + 4x - 6 = 0, Product of roots = -6/2 = -3.
Factorizing Quadratic Equation (x - root1)(x - root2) = 0 For the roots 1 and -3, the factored form is (x - 1)(x + 3) = 0.
Vertex of Parabola Vertex = (-b/2a, f(-b/2a)) For 2x² + 4x - 6, Vertex = (-4/4, f(-4/4)) = (-1, f(-1)) = (-1, 2×(-1)² + 4×(-1) - 6) = (-1, -8).
Equation of the Parabola y = ax² + bx + c For 2x² + 4x - 6, the equation of the parabola is y = 2x² + 4x - 6.
Quadratic Graph Graph is a parabola The graph of y = 2x² + 4x - 6 is a parabola that opens upwards, with the vertex at (-1, -8).

Frequently Ask question:

What is a Quadratic Formula Calculator.

A Solver of Quadratic Equations is a utility that helps in solving quadratic problems by using the formula for quadratics to determine the roots of the equation. The rephrated versionins the same core information but uses diverse vocabulary to avoid repetition, preserving the original intention of the message.

How does the Quadratic Formula work.

The calculator uses the quadratic formula to calculate the zeros of a quadratic expression. It calculates the values of x that meet the equation.

What happens if the discriminator is negative.

When the discriminant is less than zero, the equation has no real roots, only complex ones, and your calculator will show these complex solutions.

Can the calculator handle complex roots.

The calculator can deal with very hard-to-find roots and will tell you answers with make-believe numbers when the number does not give two real answers.

What does the value of:and a. A representation in the quadratic equation.

The value of:

And a. The coefficient 'a' dictates the orientation and magnitude of the parabolic curve displayed by the quadratic expression. It also affects the concavity of the graph.

 

How do I know if my equation has real or complex solutions.

You can determine the nature of the solutions by checking the discriminant. 'If it is favorable, the equation possesses dual real solutions; when it is neutral, it shows a singular real solution; in contrast, if it shows a deficit, it shows a pair of imaginary roots.

What is the importance of the quadratic formula.

Solving math challenges like "Oh oh, how many times x square plus zero times x plus zero equals zero. " requires a special key formula. This formula is not just for math; it is a big helper in things like science, building stuff, and money matters too.

Can this calculator solve linear equations as well.

No, the calculator is specifically designed to solve quadratic equations. For linear equations, you can use other methods. Can I use this calculator for equations with higher powers. No, this calculator is only designed to solve quadratic equations. For higher-degree equations, other methods or calculators are required.

How do you find the quadratic formulation?

  • Simply, you just have to complete the square of ax2 + bx + c = 0 to get the quadratic formula
  • You ought to divide both sides of the equation by ‘a’, so the coefficient of x2 is 1
  • So, you ought to rewrite the left side is in the form of x^2+ bx (although in this case, bx is actually

What if there's no B in a quadratic equation?

If the quadratic equation ax2 + bx + c = 0, has no ‘b’ term, then, it means it has the form 〖ax〗^2+ c=0. In such case, you can resolve this equation by the use of the easy rectangular root property.