READ OR Work on something. you Talk, you will get a strike. Advisory READ OR Work on something. THIS IS NOT SOCIAL HOUR! you Talk, you will get a strike.

Bellwork 1/9/17 1.) what is a linear equation? Describe & Give an example 2. ) What does the “m” stand for in y=mx+b? 3.) What does the “b” stand for in y=mx+b?

Standard: 8.F.B.4 Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models and in terms of its graph or a table of values.

VOCABULARY Relation A pairing of input and output values Domain Range Function Linear Function An equation with a graph that is a straight line A pairing of input and output values Input values (x), the 1st term in the ordered pair Output values (y), the 2nd term in the ordered pair Every x value has exactly one y value “every input has one output”

Use your equation from question 1 to answer the following:

Remember y=mx+b, where m is the slope and b is the y-intercept. M= y-y b= where the line crosses the y-axis x-x

Use the information from example 3 to answer the following:

minutes rule jumps 1 2 3 4 5

Please continue to the Practice Assignment!  Page 272 (1-4)

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