Math Assesment - Chemeketa Community College

1) Given: -3x + x2 = 7. Solve the above equation for x. Solution: Shove everything to one side and use the quadratic formula or a calculator. x2 + -3x + -7 = 0. x = (3 ± sqrt[(-3)2 – 4*1*-7)/2 = 4.54, -1.54. 2) Given: 2x + 4 = 3y. x + y = 5. Solve the above pair of equations for x and y. Solution: There are several methods to solve this, but ... ................
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