ATI TEAS 7
TEAS Math Practice Test Questions
Question 1 of 5
A scientist is trying to determine how much poison will kill a rat the fastest. Which of the following statements is an example of an appropriate hypothesis?
Correct Answer: C
Rationale: The correct answer is C because it presents a clear and testable hypothesis that directly links the amount of poison given to the speed of rat death. It follows the format of an appropriate hypothesis by stating a cause-and-effect relationship that can be tested through experimentation. A is incorrect because it lacks a specific hypothesis and does not propose a clear relationship between the amount of poison and rat death. B is incorrect as it poses a question rather than a hypothesis, and it does not establish a direct connection between the variables. D is incorrect because it is a general statement about poison and rats without proposing a specific hypothesis to test.
Question 2 of 5
What is the sum of 3/8 and 5/8?
Correct Answer: A
Rationale: To find the sum of 3/8 and 5/8, you add the numerators together which gives you 3 + 5 = 8. The denominator remains the same (8). So, the sum is 8/8 which simplifies to 1 whole. Therefore, the correct answer is A: 1. Choice B is incorrect as 1 1/4 is greater than 1. Choice C is incorrect as 01-Feb is not a valid fraction. Choice D is incorrect as 03-Apr is not a valid fraction.
Question 3 of 5
Shawna buys 5 gallons of paint. If she uses 2/5 of it on the first day, how much paint does she have left?
Correct Answer: A
Rationale: To find out how much paint Shawna has left, we need to subtract the amount she used from the total amount she bought. 2/5 of 5 gallons is 2 gallons. Subtracting 2 gallons from 5 gallons leaves her with 3 gallons of paint left. Therefore, the correct answer is A. Choice B (2 gallons) is incorrect because that is the amount she used, not the amount she has left. Choice C (1 gallon) and D (0.5 gallons) are also incorrect as they do not accurately represent the amount of paint Shawna has left after using 2/5 of it.
Question 4 of 5
Which of the following equations does not represent a function?
Correct Answer: C
Rationale: The correct answer is C: x = y^2. This equation does not represent a function because it fails the vertical line test, where any vertical line intersects the graph at more than one point. In this case, for each x value, there are two corresponding y values (positive and negative square roots), violating the definition of a function where each input can only have one unique output. Choices A, B, and D all represent functions as each x value corresponds to only one y value, satisfying the function criteria.
Question 5 of 5
What is the result of adding 7/8 and 5/8 and expressing the sum in reduced form?
Correct Answer: C
Rationale: To add 7/8 and 5/8, we add the numerators: 7 + 5 = 12, keeping the denominator as 8. So, the sum is 12/8. To express it in reduced form, we divide both numerator and denominator by their greatest common divisor, which is 4. Therefore, 12/8 simplifies to 3/2, which is equivalent to 31/36. Option C (31/36) is correct. Option A (9/17) and Option D (3/5) are incorrect as they do not match the correct sum. Option B (1/3) is incorrect as it does not account for the common denominator of 8 in the addition.
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