Solve z? – 2z+4 = 0. Let u and v be the solutions of z? – 2z +4 = 0, then: A. u = -1 – iv3 and v = –1+iv3. B. u = 1 – 3i and v = 1+3i. C. u = 1 – iv3 and v = 1+iv3. D. u = V3 +i and v = V3 – i. - Then the standard form of " is: 1 V3

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.