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Linear Equations and Inequalities: Business Math Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1.

This graph below shows the growth of an oak tree. The x axis represents days, and the y axis represents inches.

Interpolate what happens on day 3.

Question 2 2. Which graph represents a linear equation?

Question 3 3. Which slope intercept form equation is equivalent to the standard form equation -x + 2y = -8?

Question 4 4. What is the slope of a line that is perpendicular to y = 3x + 1?

Question 5 5. What are the coordinates of the x-intercept of the equation 2x - 3y = 8?

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Question 6 6. Which pattern of numbers represents a linear equation?

Question 7 7. Find the line below for which the WRONG slope is given.

Question 8 8. Which of the following represents a linear equation that begins at 5 and increases by 8 at each step?

Question 9 9. Solve the following system of equations.

Question 10 10. Which linear equation is shown below?

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Question 11 11. Which variable or variables need to be eliminated from the third equation in order to solve via the Gaussian elimination method?

Question 12 12. If we have four variables, then how many equations will we have in our system of linear equations?

Question 13 13. What are the coordinates of the y-intercept of the equation 5x - 3y = 2?

Question 14 14. If the equation y = 50x + 25 represents the amount of (y) money it costs to rent a car for (x) days, how long could you rent a car for if you had 775 dollars?

Question 15 15. What can you do to eliminate the x in the second equation?

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Question 16 16. Define interpolate.

Question 17 17. What is the equation of the graph below?

Question 18 18. Which of the following points is an extrapolation of the graph below?

Question 19 19. What is the equation of a line that is parallel to y = -4x + 2 and goes through the point (-4, 9)?

Question 20 20. Which sentence would be represented by an inequality?

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Question 21 21. To extrapolate means to make _____.

Question 22 22. From the graph below, how many data points were collected?

Question 23 23. Which variable in which equation needs to be eliminated in order to solve this system using Gaussian elimination?

Question 24 24. Which of these equations represents a line that is perpendicular to the line in the graph below?

Question 25 25. What is the equation of a line with slope of 2 and a y-intercept of -6?

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Question 26 26. Which linear equation has the solutions (2, 4) and (-2, 6)?

Linear Equations and Inequalities: Business Math Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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