ATI TEAS 7
Mathematics
1. A rectangular bandage measures 5cm by 8cm. What is the area covered by the bandage?
- A. 10cm
- B. 13cm
- C. 40cm^2
- D. 64cm^2
Correct answer: C
Rationale: 40cm^2: Multiply the length (5cm) by the width (8cm).
2. Identify the participial phrase in the following sentence: "Running through the park, she spotted a squirrel."
- A. Running
- B. through the park
- C. she spotted
- D. a squirrel
Correct answer: B
Rationale: A participial phrase acts as an adjective but is formed from a verb.
3. According to Newton's third law of motion, for every action, there is an equal and opposite ___________.
- A. Reaction
- B. Force
- C. Acceleration
- D. Momentum
Correct answer: a
Rationale: Newton's third law states that for every force or action, there is an equal and opposite reaction.
4. A lab needs 200ml of a 5% salt solution. They only have a 10% solution. How much 10% solution and water should be mixed?
- A. 100ml 10% solution, 100ml water
- B. 150ml 10% solution, 50ml water
- C. 160ml 10% solution, 40ml water
- D. 200ml 10% solution, 0ml water
Correct answer: B
Rationale: Rationale: 1. Let x be the volume of the 10% solution needed and y be the volume of water needed. 2. The total volume of the final solution is 200ml, so x + y = 200. 3. The concentration of the final solution is 5%, so the amount of salt in the final solution is 0.05 * 200 = 10g. 4. The amount of salt in the 10% solution is 0.1x, and the amount of salt in the water is 0, so the total amount of salt in the final solution is 0.1x. 5. Since the total amount of salt in the final solution is 10g, we have 0.1x = 10. 6. Solving for x, we get x = 100ml. 7. Substituting x =
5. In a chemical reaction, the total amount of:
- A. Matter remains the same
- B. Matter increases
- C. Matter decreases
- D. Energy remains the same
Correct answer: A
Rationale: The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction, only rearranged
6. Which of the following is a characteristic of alkenes?
- A. They have a double bond between carbon atoms.
- B. They are saturated hydrocarbons.
- C. They contain only single bonds.
- D. They are derivatives of ammonia.
Correct answer: A
Rationale: Alkenes have a double bond between carbon atoms, making them unsaturated hydrocarbons. The other choices do not accurately describe alkenes.
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