ATI TEAS 7
TEAS Test Math Questions
1. Simplify the expression: 2x + 3x - 5.
- A. 5x - 5
- B. 5x
- C. x - 5
- D. 2x - 5
Correct answer: A
Rationale: To simplify the expression 2𝑥 + 3𝑥 - 5, follow these steps: Identify and combine like terms. The terms 2𝑥 and 3𝑥 are both 'like terms' because they both contain the variable 𝑥. Add the coefficients of the like terms: 2𝑥 + 3𝑥 = 5𝑥. Simplify the expression. After combining the like terms, the expression becomes 5𝑥 - 5, which includes the simplified term 5𝑥 and the constant -5. Thus, the fully simplified expression is 5𝑥 - 5, making Option A the correct answer. This method ensures all terms are correctly simplified by combining similar elements and retaining constants.
2. Identify the sentence component of the underlined portion in the sentence: New students should report to the student center.
- A. Dependent clause
- B. Adverbial phrase
- C. Adjective clause
- D. Noun phrase
Correct answer: D
Rationale: The underlined portion 'New students' is a noun phrase. In this sentence, 'New students' acts as the subject of the sentence, making it a noun phrase. A dependent clause is a group of words with a subject and a verb that cannot stand alone as a sentence. An adverbial phrase modifies a verb, an adjective, or another adverb in a sentence. An adjective clause is a group of words that describes a noun in the sentence. None of these definitions apply to the underlined portion in the sentence provided, making 'Noun phrase' the correct identification.
3. In a city with a population of 51,623, 9.5% of the population voted for a new proposition. How many people approximately voted?
- A. 3,000 people
- B. 5,000 people
- C. 7,000 people
- D. 10,000 people
Correct answer: B
Rationale: To find the number of people who voted, you need to calculate 9.5% of the total population of 51,623. 9.5% of 51,623 is approximately 0.095 x 51,623 = 4,999.85, which is rounded to approximately 5,000 people. Therefore, the correct answer is 5,000 people. Choice A, 3,000 people, is incorrect as it is lower than the calculated value. Choice C, 7,000 people, is incorrect as it is higher than the calculated value. Choice D, 10,000 people, is incorrect as it is much higher than the calculated value.
4. What is the main component of bile, a substance that aids in fat digestion?
- A. Proteins
- B. Carbohydrates
- C. Bile salts
- D. Vitamins
Correct answer: C
Rationale: Bile is a digestive fluid produced by the liver and stored in the gallbladder. Bile salts are the main component of bile that aid in the digestion and absorption of fats in the small intestine. Bile salts help emulsify fats, breaking them down into smaller droplets that can be more easily digested by enzymes. Proteins, carbohydrates, and vitamins are not the main components of bile and do not play a significant role in fat digestion. Therefore, the correct answer is 'Bile salts.' Choices A, B, and D are incorrect as they are not the main components of bile and do not contribute to fat digestion.
5. Which nervous system controls voluntary motor movement?
- A. Parasympathetic
- B. Sympathetic
- C. Autonomic
- D. Somatic
Correct answer: D
Rationale: The correct answer is D: Somatic. The somatic nervous system is responsible for controlling voluntary motor movements. It includes the motor neurons that innervate skeletal muscles and allows us to consciously control our movements. The parasympathetic and sympathetic nervous systems are part of the autonomic nervous system, which controls involuntary functions such as heart rate and digestion. Therefore, choices A, B, and C are incorrect as they are components of the autonomic nervous system and are not primarily responsible for voluntary motor movements.
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