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1. |
Daniel wants to send Jasmine flowers for her birthday. At the flower store, he can choose between roses, irises, or carnations. The salesperson tells Daniel that 50% of the customers buy roses, 30% buy carnations, and 20% buy irises. Which of the following is a valid conjecture? |
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A. |
More customers buy roses than carnations. |
B. |
Daniel will buy Jasmine irises. |
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C. |
The salesperson likes carnations. |
D. |
Jasmine will be excited to receive flowers for her birthday. |
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Hint |
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2. |
Determine if the following conjecture is true or false? Explain. Given: x2 = 4
Conjecture: x = 4 or x = -4 |
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A. |
True; two answers are always more accurate than one answer. |
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B. |
False; the square root of a positive number is always a positive number. |
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C. |
True; squaring a positive number results in a positive number and squaring a negative number results in a positive number. |
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D. |
False; the square root of 4 is 2 or -2. |
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3. |
Determine the converse of the following if-then statement.
If the flowers are yellow, then they are daffodils. |
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A. |
The flowers are not yellow. |
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B. |
If the flowers are not yellow, then they are not daffodils. |
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C. |
If the flowers are daffodils, then they are yellow. |
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D. |
The flowers are not daffodils. |
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4. |
A ______________ is a diagram that can be used to illustrate a conditional. |
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A. |
bar graph |
B. |
Venn diagram |
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C. |
flow chart |
D. |
tree diagram |
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5. |
Identify the conclusion in the following algebraic statement:
If a = 3, then 2a + 1 = 7. |
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A. |
2a + 1 = 7 |
B. |
2a + 1 |
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C. |
2a |
D. |
a = 3 |
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6. |
Which view shows the orthogonal view of the object from the top? |
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A. |
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B. |
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C. |
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D. |
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7. |
Which view shows the orthogonal view of the object from the right side? |
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8. |
Which is the correct Venn diagram for the information shown in the chart? |
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A. |
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B. |
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C. |
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D. |
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9. |
What would the chart look like after reading the information:
Bob's pet can't fly. |
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A. |
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B. |
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C. |
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D. |
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10. |
What would the chart look like after reading the information:
Cal's pet has hair, so does Deb's. |
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A. |
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B. |
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C. |
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D. |
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11. |
Select the most reasonable answer. Two cities are 550 miles apart. Two cars leave the cities at the same time. One is going 50 mi/h; the other is going 60 mi/h. When do the cars meet? |
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A. |
5 h 45 min |
B. |
6 h |
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C. |
5 h |
D. |
4 h 30 min |
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12. |
Select the most reasonable answer. Four years ago a dad was three times the age of his son. The sum of their ages today is 64. How old is the dad today? |
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A. |
42 |
B. |
18 |
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C. |
50 |
D. |
46 |
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13. |
A 4-inch cube is painted yellow. It is cut into 1-inch cubes. How many of the cubes would have exactly two painted sides? |
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A. |
24 |
B. |
16 |
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C. |
12 |
D. |
36 |
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14. |
A 4-inch cube is painted yellow. It is cut into 1-inch cubes. How many of the cubes would have exactly three painted sides? |
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A. |
12 |
B. |
16 |
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C. |
24 |
D. |
8 |
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Hint |
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