Use the Quadratic Formula:x = −2 ±√(−16) 10 √(−16) = 4i (where i is the imaginary number √−1) So:x = −2 ± 4i 10 Answer: x = −0.2 ± 0.4i The graph does not cross the x-axis. That is why we ended up with complex numbers.In...
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!
Quadratic Functions Formula A quadratic function can always be factorized, but the factorization process may be difficult if the zeroes of the expression are non-integer real numbers or non-real numbers. In such cases, we can use the quadratic formula to determine the zeroes of the expression. ...
A quadratic equation is of the form ax^2 + bx + c =0, where a, b, and c are real numbers. The most popular method to solve a quadratic equation is to use a quadratic formula that says x = [-b ±√(b2 - 4ac)]/2a.
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We can also use the quadratic formula:We get two answers x+ and x− (one is for the "+" case, and the other is for the "−" case in the "±") that gets us this factoring:a(x − x+)(x − x−)Example: what are the roots of 6x2 + 5x − 6 ? Substitute a=6...
Search AnswersLearn more about this topic: Quadratic Formula Definition, Equation & Proof from Chapter 3 / Lesson 13 23K What is the quadratic formula used for? This lesson will explain the quadratic formula. Study the formula's history, and view examples of the quadratic formula...
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Search AnswersLearn more about this topic: Quadratic Equation | Definition, Formula & Examples from Chapter 14 / Lesson 1 305K What is a quadratic equation? Learn what makes an equation quadratic and what does a quadratic equation looks like. See some examples of a quadratic equation...
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