Trevor and Isaiah are running in the park on the same day. The rate at which Trevor runs is modeled by the equation y = x2 - 7x - 1. The rate at which Isaiah runs is modeled by the equation y = x - 1. In the equations, y represents the distance traveled in feet and x represents the time that has passed in seconds. The boys beginning running at time equals zero (x = 0). After how many seconds will the distance the boys run be the same? %3D %3D

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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.