HESI A2
HESI A2 Math Practice Test 2023
1. Subtract 32 divided by 8\9.
- A. 36
- B. 32
- C. 40
- D. 44
Correct answer: A
Rationale: 32 ÷ (8\9) is the same as 32 × (9\8) = 36.
2. A landscaping plan is drawn on a 1:50 scale. If a deck in the plan measures 12 cm by 10 cm, how large is the deck in real life?
- A. 12 m by 10 m
- B. 6 m by 5 m
- C. 5 m by 2 m
- D. 4 m by 3 m
Correct answer: B
Rationale: Since the landscaping plan is drawn on a 1:50 scale, the real-life dimensions of the deck can be calculated by multiplying the dimensions on the plan by the scale factor. The dimensions given are 12 cm by 10 cm. Multiplying these dimensions by the scale factor of 50 gives us 600 cm by 500 cm, which is equivalent to 6 m by 5 m in real life. Choice A is incorrect as it doesn't consider the scale factor. Choice C and Choice D are incorrect as they are not the result of multiplying the dimensions by the scale factor.
3. Select the word that makes this sentence grammatically correct. I added ___________ pepper to the casserole.
- A. too
- B. more
- C. those
- D. many
Correct answer: B
Rationale: The word 'more' is the correct choice to make the sentence grammatically correct. 'More' is used to indicate an increase in quantity, which fits well in the sentence structure 'I added more pepper to the casserole.' Choices A, C, and D are incorrect. 'Too' implies an excessive amount, 'those' refers to specific items, and 'many' is used for countable objects, none of which are suitable in this context.
4. What defines a balanced chemical equation?
- A. An equation where the number of atoms of each element is the same on both sides
- B. An equation where there are more products than reactants
- C. An equation where the number of molecules is balanced
- D. An equation with equal masses on both sides
Correct answer: A
Rationale: A balanced chemical equation is one in which the number of atoms of each element is the same on both sides. This balance ensures the law of conservation of mass is upheld, where the total mass of the reactants equals the total mass of the products. Options B, C, and D are incorrect. Option B is incorrect as a balanced equation has an equal number of products and reactants. Option C is incorrect as balancing refers to the number of atoms, not molecules. Option D is incorrect as balancing is based on the number of atoms, not masses. Therefore, option A is the correct choice as it accurately describes a balanced chemical equation.
5. Which substance is a product of photosynthesis?
- A. Carbon dioxide
- B. Oxygen
- C. Water
- D. Glucose
Correct answer: D
Rationale: During photosynthesis, plants and other organisms convert carbon dioxide and water into glucose and oxygen. Glucose is a carbohydrate produced by plants as a result of photosynthesis, serving as their main source of energy. Oxygen is released as a byproduct of this process, while carbon dioxide and water are the raw materials used to produce glucose. Therefore, the correct answer is 'Glucose,' making it a vital product of the photosynthesis process. Choices A, B, and C are incorrect as carbon dioxide and water are the reactants needed for photosynthesis, and oxygen is released as a byproduct.
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