Algebra I Ch 5 Review page 2
Write the form for each equation type indicated:
slope intercept: / point slope: / Standard:Write an equation in slope intercept form of the line with the given slope and y-intercept:
1. / 2.slope = -4, y-int = (0, 13.5) / 3.
slope = -1, yint = 0
Given the following point and slope: (-4, 8), m =
4. Write the equation in slope-intercept form. / 5. Write an equation in point-slope form. / 6. Write the equation in standard form.
Given the following two points: (-6, 3) and (4, -2)
7. Write the equation in slope-intercept form. / 8. Write an equation in point-slope form. / 9. Write the equation in standard form.
Given the graph
10. Write the equation in slope-intercept form.
11. Write the equation of the graph in point-slope form. / 12. Write the equation of the graph in standard form.
13. Write an equation of a linear function that has the given values:
/ 14. Write an equation of a linear function that has the given values:
Graph the following lines:
18. Find the missing coefficient in the equation of the line that passes through the given point. Write the completed equation:
Ax + 5y = 3; (4, -2) / 19. Find the missing coefficient in the equation of the line that passes through the given point. Write the completed equation:
7x + By = 4; (-1, 3)
20. For the following equation:
y = 3x + 9 / What is the slope of a line parallel to it? / What is the slope of a line perpendicular to it?
21. For the following equation:
7y = -2x - 5 / What is the slope of a line parallel to it? / What is the slope of a line perpendicular to it?
22. The table shows the length of time (in minutes) of different joggers on a treadmill compared with the amount of calories burned.
Calories / 20 / 73 / 160 / 155 / 200 / 240 / 248
23. Make a scatter plot of the data / 24. Describe the correlation (positive, negative or none) and explain what it means.
25. If there is a correlation, sketch the line that best fits your data.
26. Determine the slope of the line. / 27. Determine the y-intercept for this data.
28. Use your answers to write an equation of the line of best fit for this data in form.
29. Using your equation, predict the number of calories burned for someone who jogs on a treadmill for 30 minutes.