Predict Linear Equations

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5

• y=1/5x+5

• y=15x+5

• y=10x+5

You are learning karate in a fitness center which charges a $200 registration fee and $12 per lesson. Use the equation y = 12x + 200 to find the cost of 12 lessons.

• 12

• 344

• 200

• 212

A party planner charges $100 to set up and $75 an hour.  Use the equation           y = 75x + 200 to find the cost of a How much would a 5-hour party.

• 575

• 75

• 200

• 625

The graph below shows the height of a flower based on the number of weeks since it was planted. What is the linear equation representing this situation?

Using a linear model, which is the best prediction for the amount of sunny days if there were 10 rainy days?

• A

• B

• C

• D

It will take Hugo about ___________ min to run 6 laps.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Find the equation of the line that passes through each pair of points. You may express it as a fraction or a decimal.

Mathematical Equivalence

ON

Write the equation for the line in slope-intercept form.

Find the slope of the line.

• Undefined

• 0

• 1

• -1