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Foundations and Linear Equations in Precalculus: Help and Review 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. Which of the following represents a linear equation that begins at 5 and increases by 8 at each step?

Question 2 2. Which graph has a positive x-intercept and a negative y-intercept?

Question 3 3. Which two groups of numbers do NOT have any numbers in common?

Question 4 4. Which family of numbers begins with the numbers 0, 1, 2, 3, …?

Question 5 5. What is the equation of a line with slope of 2 and a y-intercept of -6?

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Question 6 6. If the graph below has the equation Ax + By = -4, what must be true about A and B?

Question 7 7. If the graph below has the equation Ax+By=C, which statement MUST be true?

Question 8 8.

Which equation represents the first step to solving the following system of equations using the substitution method?

2x - y = 7

x = 2y - 1

Question 9 9. Which of these equations represents a line that is perpendicular to the line in the graph below?

Question 10 10. What is the slope of a line that is perpendicular to y = 3x + 1?

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Question 11 11. What is the slope-intercept form equation of the graph below?

Question 12 12. What are the coordinates of the x-intercept of the equation 2x - 3y = 8?

Question 13 13. Which graph does NOT represent a system of equations?

Question 14 14. What are the coordinates of the y-intercept of the equation 5x - 3y = 2?

Question 15 15.

Which equation represents the first step to solving the following system of equations using the elimination method?

2x - 2y = 5 and -4x + 5y = 11

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Question 16 16. Which is an example of an ordered pair?

Question 17 17. If trying to figure out how many $5 burritos and $3 tacos to buy, which equation represents the situation where you have $100 to spend?

Question 18 18. A line with an undefined slope is a line that goes _____.

Question 19 19. The equation for the following graph could be _____.

Question 20 20. A car company has $44,000 to spend on robots to put paint on new cars. There are 2 types of robots, some that cost $3,000 and some that cost $2,000. If the company is sure that it wants to spend all of its money on 16 new robots, how many of each should it purchase?

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Question 21 21. Which line would have its graph fall exactly on top of the x-axis?

Question 22 22. Which pattern of numbers represents a linear equation?

Question 23 23.

Solve the following system of equations:

2x - 3y = 21 and 5x + 4y = 18

Question 24 24. What is the equation of a line that is parallel to y = -4x + 2 and goes through the point (-4, 9)?

Question 25 25. Which slope intercept form equation is equivalent to the standard form equation -x + 2y = -8?

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Question 26 26. If the graph below was written in the slope intercept form, which of the following would be true?

Question 27 27. What is the equation of a line that passes through the points (2, 4) and (-2, 6)?

Question 28 28. Horizontal lines have a slope that is _____.

Question 29 29. Which of the following graphs represents the graph of x = -3?

Question 30 30. Which of these statements is FALSE regarding the number 0?

Foundations and Linear Equations in Precalculus: Help and Review 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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