ATI TEAS Math Practice Test

ATI TEAS Math Practice Test Related

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In a graph that shows the number of nurses in various specialties, what is the independent variable?

  • A. Anesthesia
  • B. Geriatrics
  • C. Nurse specialties
  • D. Number of nurses
Correct Answer: C

Rationale: The independent variable is the variable that is controlled or manipulated in an experiment or study. In this case, the independent variable is the nurse specialties because it is the factor that is being observed and measured to see how it affects the number of nurses in each specialty. The dependent variable, which changes in response to the independent variable, is the number of nurses. Choices A and B are specific nurse specialties and are actually part of the data being measured, not the independent variable itself. Choice D, 'Number of nurses,' is the dependent variable as it is the outcome that is being influenced by the independent variable, which is the nurse specialties.

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In a research study, a researcher collects data on the number of hours spent studying and the grades students received. Which of the following is the dependent variable?

  • A. The number of hours spent studying
  • B. The grades students received
  • C. The subjects students studied
  • D. The number of students in the study
Correct Answer: B

Rationale: The correct answer is B: 'The grades students received.' In this scenario, the grades students received are the dependent variable because they are influenced by the number of hours spent studying. The grades are the outcome that is being measured based on the manipulation or observation of the independent variable, which in this case is the number of hours spent studying. Choices A, C, and D are incorrect. The number of hours spent studying is the independent variable being manipulated or observed, the subjects students studied is not directly related to the dependent variable, and the number of students in the study is not the variable being measured or influenced by the independent variable.

Simplify the following expression:
3 (1/6) - 1 (5/6)

  • A. 2 (1/3)
  • B. 1 (1/3)
  • C. 2 (1/9)
  • D. 5/6
Correct Answer: B

Rationale: To simplify:
First, subtract the whole numbers: 3 - 1 = 2.
Then, subtract the fractions: (1/6) - (5/6) = - (4/6) = - (2/3).

Now, subtract (2 - 2/3) = 1 (1/3).

What is the probability of flipping a coin and getting heads?

  • A. 1/2
  • B. 1/3
  • C. 1/4
  • D. 1/5
Correct Answer: A

Rationale: The correct answer is A: 1/2. When flipping a fair coin, there are two possible outcomes: heads or tails. The probability of getting heads is 1 out of 2 possible outcomes, which can be expressed as 1/2. Choice B, 1/3, is incorrect because a fair coin only has two sides. Choices C and D, 1/4 and 1/5, are also incorrect as they do not represent the correct probability of getting heads when flipping a coin.

University Q has an extremely competitive nursing program. Historically, 3/4 of the students in each incoming class major in nursing, but only 1/5 of those who major in nursing complete the program. If this year's incoming class has 100 students, how many will complete the nursing program?

  • A. 75
  • B. 20
  • C. 15
  • D. 5
Correct Answer: C

Rationale: Out of the 100 students, 3/4 major in nursing, which equals 75 students. However, only 1/5 of these 75 students will complete the program. Calculating 1/5 of 75 gives us 15 students who will complete the nursing program. Therefore, the correct answer is 15. Choice A (75) is incorrect as it represents the total number of students majoring in nursing, not completing the program. Choices B (20) and D (5) are incorrect calculations and do not align with the information provided in the question.

Solve for x: 2x + 6 = 14

  • A. x = 4
  • B. x = 8
  • C. x = 10
  • D. x = 13
Correct Answer: A

Rationale: To solve the equation 2x + 6 = 14, you first subtract 6 from both sides to isolate 2x. This gives 2x = 8. Then, divide by 2 on both sides to find x. Therefore, x = 4. Choices B, C, and D are incorrect as they do not correctly follow the steps of solving the equation.

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