# ELM: CSU Math Study Guide Final Exam

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### Page 1

#### Question 1 1. A number that multiplies a variable is called a(n) _____.

#### Question 2 2. The total number of times a specific event occurs within the time frame given is called _____.

#### Question 3 3. Adding together all of the numbers in a data set and then dividing that sum by the number of addends gives the _____ of the data set.

#### Question 4 4. 16 - (-7) = ?

#### Question 5 5. Simplify.

### Page 2

#### Question 6 6. Simplify.

#### Question 7 7. Estimate √125 to two decimal places.

#### Question 8 8. If a guitar costs 25% more than a $900 drum kit, then how much is the guitar?

####
Question 9
9.
Solve the following system of equations:

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

#### Question 10 10. Add and simplify.

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#### Question 11 11. Solve.

#### Question 12 12. Absolute values only take into account _____.

#### Question 13 13. Solve the equation: |x+8|=-1.

#### Question 14 14. What is the approximate volume of a cylinder with a radius of 4 inches a height of 13 inches?

#### Question 15 15. What is the approximate volume of a cone with a radius of 18 inches and a height of 42 inches?

### Page 4

#### Question 16 16. In the pictured graph of f(x) = x^2 + 6x, for which values of x is the function increasing?

#### Question 17 17. What are the coordinates of the y-intercept of the equation 5x-3y=2?

#### Question 18 18. Solve.

#### Question 19 19. Find the roots of the equation.

#### Question 20 20. If there are generally 14 wakadoos for every 3 flingadees, how many flingadees would you expect if there were 100 wakadoos?

### Page 5

#### Question 21 21. Susan is making a dress. She starts with 3 3/4 yards of fabric and uses 9/10 of it. How much of the fabric did she use?

####
Question 22
22.
How can percentage be described?

A. A part of a whole

B. Per hundred

C. A discount

D. All answers are correct

E. None of the answers are correct

#### Question 23 23. What percentage is 122 out of 222?

#### Question 24 24. Simplify the expression using positive exponents.

#### Question 25 25. Which of the following is NOT true regarding exponents?

### Page 6

#### Question 26 26. If the area of the first triangle is 14, and the area of the second triangle is 350, what is the scale factor?

#### Question 27 27. Which answer choice is similar to the triangle pictured below?

#### Question 28 28. This graph shows the number of rabbits a breeder has each month of the year. How many rabbits did the breeder begin with during the year shown?

#### Question 29 29. What is the relationship?

#### Question 30 30. Use the number line to solve -5 - 2 + 3.

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#### Question 31 31. The following graph displays which point?

####
Question 32
32.
Simplify.

2xy - 5x + 7xy +12 - 4y + 1

#### Question 33 33. Simplify the expression: 2st + 3t - s + 5t + 4s.

#### Question 34 34. Solve the following problem.

#### Question 35 35. Simplify: √192

### Page 8

#### Question 36 36. What is the equation of a line with slope of 2 and a y-intercept of -6?

#### Question 37 37. Which of the following is not a literal coefficient?

#### Question 38 38. Evaluate |4+7|-|4-7|

#### Question 39 39. Sergeant Ketchup's billiards room is 15 feet wide and 25 feet long. How many square feet is the room in total?

####
Question 40
40.
The following equation is written in which parabolic form?

y = -(*x* - 3)2 - 1

*x*- 3)2 - 1

### Page 9

#### Question 41 41. Divide the following polynomials:

#### Question 42 42. If you lay three boards end to end, and the boards have respective lengths of 3 1/2 feet, 5 1/4 feet and 4 2/3 feet, then what is the total length of the boards?

#### Question 43 43. What is 1 / 8 as a decimal?

#### Question 44 44. Which of the following exponential expressions is equal to this radical expression?

#### Question 45 45. If the two triangles pictured below are congruent, then which angles are the same?

### Page 10

#### Question 46 46. Which of the following data sets can I graph on a histogram?

#### Question 47 47. What is the special name for the coordinate (0,0)?

#### Question 48 48. Identify the variable(s) in this equation: 6a + 3x = 7y.

#### Question 49 49. What is the shorthand way of writing the least common multiple?

#### Question 50 50. Simplify: √1152

#### ELM: CSU Math Study Guide Final Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!