By solving and then substituting the values of x in the equations, we can. Put all terms on one side of the equal sign, leaving zero on the other side. ![]() ![]() The discriminant tells us whether there are two solutions. To solve a quadratic equation by factoring. (If a 0 and b 0 then the equation is linear, not quadratic. Quadratic equations can also be solved graphically as a function y ax2 + bx + c. The discriminant is the part of the quadratic formula underneath the square root symbol: b-4ac. In mathematics, the term quadratic describes something that pertains to squares, to the operation of squaring, to terms of the second degree, or equations or formulas that involve such terms. Involving a quantity or quantities that are squared but not raised to a higher power. In algebra, a quadratic equation (from Latin quadratus ' square ') is any equation that can be rearranged in standard form as 1 where x represents an unknown value, and a, b, and c represent known numbers, where a 0.
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