Algebra/Vocabulary DAY 4 Use the equation k = x+ y to find the constant of proportionality for the set of values below. Then, complete the table with three more values. Graph the points on the coordinate plane, draw a line through the points, and answer the question. 1 3 6. 15 14 13 k = 12 11 10 9. 8 1 2 3 4567 89 10 11 12 13 14 15 How does the graph show that the rate of change is constant? O 54 3

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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.