Choose the letter of the correct answer. Write the chosen letter on a separate sheet of paper.
1. One of the factors of 22 + 15 − 50 is + 10. What is the other factor?
A. (2 − 5)
B. (2 + 5)
C. (2 − 10)
D. (2 + 10)
2. The measure of the volume of a rectangular solid is 3 − 632 + 72 − 93
. Find its dimensions.
A. ( + 3), ( – 3), and ( + 7)
B. (3 + 3), ( – 3), and ( + 7)
C. ( + 3), (3 – 3), and ( + 7)
D. ( + 3), ( – 3), and ( + 3)
3. The area of the dining room is 130 . If the width is 3 less than its length, what is the
width of the room?
A. 10
B. 11
C. 12
D. 13
4. The floor plan for a rectangular building states that the length of the building is to be 8 more than
3 its width. If the floor area is to be 256 , what must be the length and width of the
building?
A. 6 long and 16 wide
B. 30 long and 10 wide
C. 8 long and 32 wide
D. 32 long and 8 wide
5. A student is asked to factor (92 − 4), the provided answer is (3 − 2). Is the answer correct?
A. Yes, it uses 3 and 2 which are the square roots of the first and second term of the given.
B. Yes, the rule for factoring difference of two squares is correctly done.
C. No, the factors of the difference of two squares is the product of the sum and difference of the
square root of the first and second term.
D. No, the factors should be (3 − 2)(3 − 2) or (3 − 2)2
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Answer:
1.A.(2-)
2.D.(+3),(-3),and (+3)
3.B.11
4.A.6 long and 16 wide
5.D.No,the factors should be (3 - 2)(3 - 2)or (3-2)2
Step-by-step explanation:
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