Find the four fourth roots of 7+27 and express the roots in polar form. [A] 1.64 cis 3.99°, 1.64 cis 93.99°, 1.64 cis 183.99°, 1.64 cis 273.99⁰ [B] 7.28 cis 15.95°, 7.28 cis 105.95°, 7.28 cis 195.95°, 7.28 cis 285.95⁰ [C] 7.28 cis 3.99°, 7.28 cis 93.99°, 7.28 cis 183.99⁰, 7.28 cis 273.99⁰ [D] 1.64 cis 15.95°, 1.64 cis 105.95°, 1.64 cis 195.95°, 1.64 cis 285.95°

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

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.