Chapter2: Equations And Inequalities
Section2.1: The Rectangular Coordinate Systems And Graphs
Problem 54SE: A man drove 10 mi directly east from his home, made a left turn at an intersection, and then...
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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.
Question
Two mountain bikers take off from the same place at the same time.One travels north at 4mph,the other travels east at 3mph. How far apart are they after 4 hours.
A.5 miles.
B.28 miles
C.20 miles.
D.14 miles
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