Quadratic formula is one of the easiest methods of solving quadratic equations. To learn how to solve the quadratic equation using the quadratic formula, along with detailed derivation, steps and solved examples, visit BYJU'S today!
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there are two roots or zeros of the equation. and if we put the values of roots or x on the left-hand side of the equation, it will equal to zero. therefore, they are called zeros. quadratics formula the formula for a quadratic equation is used to find the roots of the equation. ...
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Example 2:Find the zeros of the quadratic function f(x) = x2+ 3x - 4 using the quadratic functions formula. Solution:The quadratic function f(x) = x2+ 3x - 4. On comparing f(x) with the general form ax2+ bx + c, we get a = 1, b = 3, c = -4 ...
Using the Quadratic Formula from Quadratic Equations: x = [ -b ±√(b2-4ac) ] / 2a x = [ 7 ±√((-7)2-4×1×12.25) ] / 2×1 x = [ 7 ±√(49-49) ] / 2 x = [ 7 ±√0 ] / 2 x = 3.5 Just one solution! (The "discriminant" is 0) Use the linear equation to ...
Let us solve it using the Quadratic Formula:Where a, b and c are from the Quadratic Equation in "Standard Form": ax2 + bx + c = 0Solve 3x2 - 30x - 12 = 0 Coefficients are:a = 3, b = −30 and c = −12 Quadratic Formula:x = [ −b ±√(b2−4ac) ] / 2a ...
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