Chapter 05 Review - Writing Linear Equations

(-8, 84) and (5, -46)

(-4, 7) and (9, 7)

Write an equation taht tives the number of metric tons imported as a function of the number of years since 1990 (x = years since 1990, y = metric tons)

Hint: 2002 is when x = 12.

Find the year in which the number of metric tons reached 8000.

Write an equation of the line that passes through the given points that is parallel to the given line.

(-4, -8), 6x+3y=7

Write your answer in standard form.

Write an equation of the line that passes through the given points that is perpendicular to the given line.

(-4, -8), 6x+3y=7

Write your answer in standard form.

Make a scatterplot of the data:

Describe the correlation in your graph.

Use the graphing calculator to find the curve of best fit for the data. Round to the hundredths place.

Predict the gas mileage for a car that weighs 3,400 pounds. (3.4 thousand pounds)

Find the zero of the function.

What does that mean in this situation?