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 Depdendent Variable

 Number of equations to solve: 23456789
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 Dependent Variable

 Number of inequalities to solve: 23456789
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Use the quadratic formula to solve the
equation 4x^2-4x-3=0  After plugging the numbers, into the equation, we can separate the equation to
solve for both x. Therefore we can concluded that x=1½ and -1/2. The “discrininant” The portion of the formula under the radical sign
(b^2 - 4ac) is called the discriminant.
·If the discriminant is negative: NO REAL ROOTS
·f the discriminant is zero: 1 real root
·If the discrinimant is positive … (> 0) 2 real roots

Methods to solve a Quadratic Equation Use the square root property and complete the square if necessary (6.5) Use the quadratic formula (6.6)