1.what is the lowest common denominator in this addition of algebraic fractions ? a. a + b b. b c....
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Students should be able to answer this questions without picking up a pencil. True FalseTRANSCRIPT
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1. What is the lowest common denominator in this addition of algebraic fractions ?
A. a + bB. bC. b(a + b)D. aE. ab + 2a + 2b
a 2+a+b b
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Students should be able to answer this questions without picking up a pencil.True
False
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2. A 16-inch chord is drawn on a circle having a diameter of 34 inches. How far, in inches, is the chord from the center of the circle?
A. 8B. 15C. 16D. 17E. 18
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Calculators are needed to solve the previous problem.
True
False
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3. An item is sold for $2.00, which is 20% less than the regular price. What is the regular price?
A. $1.60B. $1.80C. $2.20D. $2.50E. $2.70
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Did you use pencil and paper or a calculator to solve the previous problem. If so, which did you use?
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4. Point B (3, -4) is the midpoint of segment AC. If the coordinates of A are (-8, 3), what are the coordinates of C?
A. (-5, -1)B. (-19, 10)C. ( )D. (-5, 7)E. (14, -11)
1 12 ,-2 2
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Talk to a partner about the strategy you chose to solve the previous problem
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5. The sides of a rectangular solid are a, a + 1, a + 2. What is the volume?
A. a3 + 3B. a3 + 3a2 + 2C. a3 + 3a2 + 2D. a3 + 3a2 + 2aE. 3a + 3
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My students should use pencil and paper on this problem.
True
False
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6.
A. .
B. .
C. .
D. .
E. .
105
1 1?
5 2 5
510
-15
- 55
10 5
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This problem needs a calculator!
True
False
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7. Which equationis represented bythis graph?
4
2
-2
1
A. x+ y = 1
B. 2x – y = 1
C. x + 2y = 1
D. x + y = 2
E. x – y = + 1
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Which are the only two possible choices for an answer to the previous question?
A. A and DB. B and EC. A and ED. B and CE. D and D
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8. For all x, (- 2 – 3x)2 = ?
A. 9x2 + 4B. 9x2 – 6x + 4C. 9x2 + 12x + 4D. 9x2 + 12x – 4E. 9x2 -12x + 4
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Talk to your partner about how students interpret “for all x.”
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9. What is the length, in inches, of the longest umbrella that will fit inside an empty suitcase that measures 24” x 10” x 8”?
A. 23.5B. 25C. 26D. 28E. 29
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I drew a sketch to work this problem.
True
False
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10. If the length of the bases of an isosceles trapezoid are 15 feet and 21 feet, respectively, and each leg is 5 feet long, what is the number of square feet in the area of the trapezoid?A. 72B. 75C. 90D. 144E. 180
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I drew a sketch to work this problem.
True
False