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Home > CC4 > Chapter 2 > Lesson 2.3.2 > Problem 2-102

2-102.

Write the equation for the line containing the points listed in the table below. 2-102 HW eTool (Desmos) Homework Help ✎.

x

–1

1

3

5

y

2

16

30

44

Use the eTool below to write the equation for the function in the table.
Click the link at the right to view full version of the eTool: Int1 2-102 HW eTool.

Find the rate of growth per unit. This is the slope.
Do this by finding the pattern in the graph, or by plotting two of the points and making a slope triangle.

If −1 is 2 and 1 is 16, what is 0?
This is the y-intercept. Use it along with the slope to write a y = mx + b equation.