The equation has one root -1.0 Enter a, b, c:1 2 3 The equation has no real roots *3.1(Algebra: solve quadratic equations) The two roots of a quadratic equation can be obtained using the following formula: and is called the discriminant of the quadratic equation. If it is positive, t...
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Found a problem? Check here. Credits: 1 Prerequisite: Pre-algebra Recommended: 8th, 9th Test Prep: PSAT, SAT Course Description: Students will engage in real world and hands-on problem solving while using their developing skills in algebra. Students will
Both i and -i are the square roots of -1 Since a square root has two values, one positive and the other negative x2 + 2x + 4 = 0 has two solutions: x = -1 + √ 3 • i or x = -1 - √ 3 • i Solve Quadratic Equation using the Quadratic Formula 3.5 Solving x2+2x...
The completing the square method could of course be used to solve quadratic equations on the form of ax2+bx+c=0 In this case you will add a constant d that satisfy the formula d=(b2)2−c Video lesson Solve the equation by completing the squares ...
With this Lemma, we extend and improve a previous work [1] concerning generalized Pythagorean numbers, which now can be obtained as a Corollary. We also show that our technique is promising for solving others Diophantine equations.doi:10.1007/s00006-010-0247-3G. Aragón-González...
Instead of solving a quadratic equation by completing the squares (shown in Algebra 1) we could solve any quadratic equation by using the quadratic formula.A quadratic equation with real or complex coefficients has two solutions, called roots. These two solutions may or may not be distinct, an...
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Radical equations may have one or more radical terms, and are solved by eliminating each radical, one at a time. We have to be careful when solving radical equations, as it is not unusual to findextraneous solutions, roots that are not, in fact, solutions to the equation. These solutions...