Algebra 2, 2008
19

 PAGE: 91 SET: Exercises PROBLEM: 19
Please look in your text book for this problem Statement

Treat the data as ordered pairs. From the graph, write the years as x - coordinate and the price as y - coordinate.

From the graph, the two points are .

Substitute the values of in the slope formula .

.

To write the line equation, we can use either of the two given points.

Consider the point .

Substitute in point - slope form equation or .

Apply distributive property: .

Add 152.5 to each side.

.

The sample answer is .

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