ATI TEAS 7
TEAS Test Math Prep Questions
Question 1 of 5
After taking a certain antibiotic, Dr. Lee observed that 30% of all his patients developed an infection. He further noticed that 5% of those patients required hospitalization to recover from the infection. What percentage of Dr. Lee's patients were hospitalized after taking the antibiotic?
Correct Answer: A
Rationale: To find the percentage of patients hospitalized, we multiply the percentage who developed an infection by the percentage requiring hospitalization: 30% (infection rate) * 5% (hospitalization rate) = 1.5%. Therefore, the correct answer is A: 1.50%. Choices B, C, and D are incorrect because they do not accurately calculate the percentage of patients hospitalized based on the given data.
Question 2 of 5
On a floor plan drawn at a scale of 1:100, the area of a rectangular room is 50 cm�. What is the actual area of the room?
Correct Answer: D
Rationale: Failed to generate a rationale after 5 retries.
Question 3 of 5
What kind of relationship between a predictor and a dependent variable is indicated by a line that travels from the bottom-left of a graph to the upper-right of the graph?
Correct Answer: A
Rationale: The correct answer is A: Positive. A line traveling from bottom-left to upper-right on a graph indicates a positive relationship between the predictor and dependent variable. As the predictor increases, the dependent variable also increases. This is because the slope of the line is positive, showing a direct relationship between the two variables. In contrast, a negative relationship (choice B) would be indicated by a line traveling from top-left to bottom-right, where the dependent variable decreases as the predictor increases. Choices C (Exponential) and D (Logarithmic) refer to specific nonlinear relationships, which are not indicated by a line with a positive slope.
Question 4 of 5
A quantity increases from 40 to 60. Express this increase as a percentage.
Correct Answer: B
Rationale: To calculate the percentage increase, we subtract the original value from the new value (60 - 40 = 20), then divide this difference by the original value (20 / 40 = 0.5). Finally, multiply this result by 100 to get the percentage increase, which is 50%. Choice B is correct as it accurately represents the percentage increase from 40 to 60. Choices A, C, and D are incorrect because they do not provide the correct percentage increase calculation based on the given values.
Question 5 of 5
Which of the following numbers has the greatest value?
Correct Answer: B
Rationale: The correct answer is B (1.07548) because it has the largest value among the given numbers. To determine this, we compare the numbers using their place values. The number with the largest value is the one with the highest digit in the leftmost place. In this case, 1.07548 has the largest value as it has 1 in the ones place, which is greater than 1 in the tenths place in A and C, and the highest value in the thousandths place compared to D. Choices A, C, and D have smaller values because their leftmost digit is smaller than the corresponding digit in B.
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