The actual distance between Mike's house and John's house is 28 km. On a map, the distance between the two houses is 3.5 cm. What is the scale used on this map? A. 2 cm = 7 km B. 2 cm = 5 km C. 1 km = 8 cm D. 1 cm = 8 km

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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.