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First Root of Quadratic Equation Calculator

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Quadratic Equation

✖Numerical Coefficient b of Quadratic Equation is a constant multiplier of the variables raised to the power one in a Quadratic Equation.ⓘ Numerical Coefficient b of Quadratic Equation [b]			+10% -10%
✖Numerical Coefficient a of Quadratic Equation is a constant multiplier of the variables raised to the power two in a Quadratic Equation.ⓘ Numerical Coefficient a of Quadratic Equation [a]			+10% -10%
✖Numerical Coefficient c of Quadratic Equation is the constant term or a constant multiplier of the variables raised to the power zero in a Quadratic Equation.ⓘ Numerical Coefficient c of Quadratic Equation [c]			+10% -10%

✖First Root of Quadratic Equation is the value of one of the variables satisfying the given quadratic equation f(x), such that f(x1) = 0.ⓘ First Root of Quadratic Equation [x₁]

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First Root of Quadratic Equation Solution

STEP 0: Pre-Calculation Summary

Formula Used

First Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)+sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation)
x₁ = (-(b)+sqrt(b^2-4*a*c))/(2*a)
This formula uses 1 Functions, 4 Variables

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

First Root of Quadratic Equation - First Root of Quadratic Equation is the value of one of the variables satisfying the given quadratic equation f(x), such that f(x1) = 0.
Numerical Coefficient b of Quadratic Equation - Numerical Coefficient b of Quadratic Equation is a constant multiplier of the variables raised to the power one in a Quadratic Equation.
Numerical Coefficient a of Quadratic Equation - Numerical Coefficient a of Quadratic Equation is a constant multiplier of the variables raised to the power two in a Quadratic Equation.
Numerical Coefficient c of Quadratic Equation - Numerical Coefficient c of Quadratic Equation is the constant term or a constant multiplier of the variables raised to the power zero in a Quadratic Equation.

STEP 1: Convert Input(s) to Base Unit

Numerical Coefficient b of Quadratic Equation: 8 --> No Conversion Required
Numerical Coefficient a of Quadratic Equation: 2 --> No Conversion Required
Numerical Coefficient c of Quadratic Equation: -42 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

x₁ = (-(b)+sqrt(b^2-4*a*c))/(2*a) --> (-(8)+sqrt(8^2-4*2*(-42)))/(2*2)

Evaluating ... ...

x₁ = 3

STEP 3: Convert Result to Output's Unit

3 --> No Conversion Required

FINAL ANSWER

3 <-- First Root of Quadratic Equation

(Calculation completed in 00.004 seconds)

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< Quadratic Equation Calculators

Second Root of Quadratic Equation

LaTeX Go Second Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)-sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation)

First Root of Quadratic Equation

LaTeX Go First Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)+sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation)

Discriminant of Quadratic Equation

LaTeX Go Discriminant of Quadratic Equation = (Numerical Coefficient b of Quadratic Equation^2)-(4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation)

Product of Roots of Quadratic Equation

LaTeX Go Product of Roots = Numerical Coefficient c of Quadratic Equation/Numerical Coefficient a of Quadratic Equation

First Root of Quadratic Equation Formula

LaTeX Go

What is a Quadratic Equation?

A Quadratic Equation is an algebraic equation in some variable x with the highest degree of terms being 2. The Quadratic Equation in its standard form is ax2 + bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term. The first condition for an equation to be a Quadratic Equation is the coefficient of x2 is a non-zero term(a ≠ 0).
If the discriminant is positive, then the Quadratic Equation will have two real roots. If the discriminant is zero, then the Quadratic Equation will have one real root. If the discriminant is negative, then the Quadratic Equation will not have any real roots.

How to Calculate First Root of Quadratic Equation?

First Root of Quadratic Equation calculator uses First Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)+sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation) to calculate the First Root of Quadratic Equation, First Root of Quadratic Equation formula is defined as the value of one of the variables satisfying the given quadratic equation f(x), such that f(x1) = 0. First Root of Quadratic Equation is denoted by x₁ symbol.

How to calculate First Root of Quadratic Equation using this online calculator? To use this online calculator for First Root of Quadratic Equation, enter Numerical Coefficient b of Quadratic Equation (b), Numerical Coefficient a of Quadratic Equation (a) & Numerical Coefficient c of Quadratic Equation (c) and hit the calculate button. Here is how the First Root of Quadratic Equation calculation can be explained with given input values -> 3 = (-(8)+sqrt(8^2-4*2*(-42)))/(2*2).

FAQ

What is First Root of Quadratic Equation?

First Root of Quadratic Equation formula is defined as the value of one of the variables satisfying the given quadratic equation f(x), such that f(x1) = 0 and is represented as x₁ = (-(b)+sqrt(b^2-4*a*c))/(2*a) or First Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)+sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation). Numerical Coefficient b of Quadratic Equation is a constant multiplier of the variables raised to the power one in a Quadratic Equation, Numerical Coefficient a of Quadratic Equation is a constant multiplier of the variables raised to the power two in a Quadratic Equation & Numerical Coefficient c of Quadratic Equation is the constant term or a constant multiplier of the variables raised to the power zero in a Quadratic Equation.

How to calculate First Root of Quadratic Equation?

First Root of Quadratic Equation formula is defined as the value of one of the variables satisfying the given quadratic equation f(x), such that f(x1) = 0 is calculated using First Root of Quadratic Equation = (-(Numerical Coefficient b of Quadratic Equation)+sqrt(Numerical Coefficient b of Quadratic Equation^2-4*Numerical Coefficient a of Quadratic Equation*Numerical Coefficient c of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation). To calculate First Root of Quadratic Equation, you need Numerical Coefficient b of Quadratic Equation (b), Numerical Coefficient a of Quadratic Equation (a) & Numerical Coefficient c of Quadratic Equation (c). With our tool, you need to enter the respective value for Numerical Coefficient b of Quadratic Equation, Numerical Coefficient a of Quadratic Equation & Numerical Coefficient c of Quadratic Equation and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate First Root of Quadratic Equation?

In this formula, First Root of Quadratic Equation uses Numerical Coefficient b of Quadratic Equation, Numerical Coefficient a of Quadratic Equation & Numerical Coefficient c of Quadratic Equation. We can use 1 other way(s) to calculate the same, which is/are as follows -

First Root of Quadratic Equation = (-Numerical Coefficient b of Quadratic Equation+sqrt(Discriminant of Quadratic Equation))/(2*Numerical Coefficient a of Quadratic Equation)

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