ATI TEAS 7
TEAS 7 Math Practice Test
1. Mandy can buy 4 containers of yogurt and 3 boxes of crackers for $9.55. She can buy 2 containers of yogurt and 2 boxes of crackers for $5.90. How much does one box of crackers cost?
- A. $1.75
- B. $2.00
- C. $2.25
- D. $2.50
Correct answer: C
Rationale: To solve this problem, we can set up a system of equations. Let the cost of one container of yogurt be y and the cost of one box of crackers be c. From the first scenario, we have 4y + 3c = 9.55. From the second scenario, we have 2y + 2c = 5.90. Solving these equations simultaneously, we find that c = $2.25. Therefore, one box of crackers costs $2.25. Choice A, $1.75, is incorrect because it does not satisfy the given conditions in the system of equations. Choice B, $2.00, is incorrect as it does not match the calculated solution. Choice D, $2.50, is incorrect as it does not align with the calculated value for one box of crackers.
2. What type of lens is thinner at the center than at the edges and causes light rays to diverge?
- A. Convex lens
- B. Concave lens
- C. Diverging lens
- D. Plano-convex lens
Correct answer: B
Rationale: A concave lens is thinner at the center than at the edges, causing light rays to diverge when passing through it. This type of lens is also known as a diverging lens because it causes light rays to spread out. Concave lenses are used in various optical devices to correct vision problems and in scientific instruments to diverge light rays for specific purposes. The other choices are incorrect. A convex lens is thicker at the center and converges light rays, while a plano-convex lens has one flat surface and one convex surface, converging light. Diverging lens is a general term that can refer to concave or plano-concave lenses, but in this context, the specific type being referred to is a concave lens.
3. What type of sentence is the sentence above?
- A. Simple
- B. Complex
- C. Compound
- D. Compound-complex
Correct answer: B
Rationale: The sentence above is a complex sentence because it contains an independent clause 'You are a helpful assistant' and a dependent clause 'What type of sentence is the sentence above?'. A complex sentence is formed by joining an independent clause with one or more dependent clauses. In this case, the dependent clause 'What type of sentence is the sentence above?' cannot stand alone as a complete sentence. Choices A, C, and D are incorrect because the sentence does not contain multiple independent clauses (compound) or a combination of independent and dependent clauses (compound-complex).
4. A consumer makes a $400 down payment on a television that costs $1,570. Which of the following is the number of months it will take to pay off the television with monthly payments of $100?
- A. 12
- B. 16
- C. 15
- D. 11
Correct answer: A
Rationale: After the $400 down payment, the remaining balance is $1,170. With monthly payments of $100, it will take 12 months to pay off the remaining balance. Therefore, the correct answer is 12 months. Choice B (16) is incorrect as it exceeds the required timeframe. Choice C (15) is incorrect as it is close but still one month over the correct timeframe. Choice D (11) is incorrect as it underestimates the time needed to pay off the remaining balance.
5. What presents the correct order of cellular respiration?
- A. Glycolysis, Acetyl-CoA, Citric Acid Cycle, Electron Transport Chain
- B. Citric Acid Cycle, Glycolysis, Acetyl-CoA, Electron Transport Chain
- C. Glycolysis, Acetyl-CoA, Electron Transport Chain, Citric Acid Cycle
- D. Glycolysis, Citric Acid Cycle, Electron Transport Chain, Acetyl-CoA
Correct answer: A
Rationale: The correct order of cellular respiration is Glycolysis, Acetyl-CoA, Citric Acid Cycle, and Electron Transport Chain. Glycolysis initiates the breakdown of glucose in the cytoplasm, leading to the formation of pyruvate. This pyruvate is then converted to Acetyl-CoA in the mitochondria, which enters the Citric Acid Cycle to generate energy-rich molecules like NADH and FADH2. Finally, the Electron Transport Chain, located in the inner mitochondrial membrane, utilizes these energy carriers to produce ATP through oxidative phosphorylation. Choice B is incorrect because it starts with the Citric Acid Cycle, which comes after Glycolysis. Choice C is incorrect as it places the Citric Acid Cycle before the Electron Transport Chain. Choice D is incorrect by placing Acetyl-CoA last instead of before the Citric Acid Cycle.
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