Alg I B Hon March Quiz
The symbol "^" is "to the power of", so that 4 x 4 x 4 can be written as 4^3. 5 x 5 x 5 x 5 x 5 x 5 x 5 x R x R x R xV xV can be written as 5^7 x R^3 x V^2. ----------------------To show the square root of 9, we would write "sqrt (9)" = plus/minus 3
- 1.The Associative Property says that you can change the way that numbers are grouped together without changing the final answer. .Which example below illustrates the Associative Property of Addition?
- A.
(3 x 4) x 5 = 5 x (3 x 4)
- B.
(3 x 4) x 5 = 3 x (4 x 5)
- C.
3 + (4 + 5) = (4 + 5) + 3
- D.
(3 + 4) + 5 = 3 + (4 + 5)
- E.
3(4 + 5) = 3(4) + 3(5)
- 2.The symbol '^' means 'to the power of'Write in Scientific Notation: 74,900,000,000
- A.
749 x 10^8
- B.
.749 x 10^11
- C.
7.5 x 10^10
- D.
7.49 x 10^10
- E.
None of the answers are correct.
- 3.How much time elapses between 9:35 am and 2:15 pm?NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
4 hr, 45 min
- B.
4 hr, 40 min
- C.
4 hr, 35 min
- D.
5 hr, 40 min
- E.
5 hr, 35 min
- 4.The symbol '^' means 'to the power of'Simplify: (3 ^ 7) ^ 2
- A.
21 ^ 2
- B.
3 ^ 9
- C.
3 ^ 42
- D.
3 ^ 14
- E.
21 ^ 14
- 5.Which answer describes the relationship between any two models:Model A : y = -5x + 0.333Model B : y = 0.2x - 3Model C : y = 0.5x + 4Model D : y = -0.5x - 7SKETCH A PICTURE TO HELP IF YOU NEED.
- A.
A and B are perpendicular because -3 and 0.333 are opposite reciprocals.
- B.
C and D are parallel because they have the same slope.
- C.
A and B are perpendicular because they have opposite reciprocal slopes.
- D.
A and C are perpendicular because -5 and 0.5 are opposite reciprocals.
- 6.A population of prairie dogs starts off at 88 and grows at a rate of 13% per year. Which two equations below do NOT represent the growth of the prairie dogs?
- A.
88(1 + .13) ^ T
- B.
88(1.13) ^ T
- C.
88(1 + 13) ^ T
- D.
88(113%) ^ T
- E.
88(1.13%) ^ T
- 7.Which statement is false?
- A.
Most absolute value problems have more than one answer.
- B.
The square root of a negative number is negative.
- C.
The negative of a square root of a number is always negative.
- D.
The general form of a linear equation is y=mx+b.
- E.
The general form of a quadratic equation is not y=ax^2+bx
- 8.Which quadrant of a 10 x 10 coordinate plane would be the most shaded by the following two inequalities?y < -2x + 3 and y > 5x -9 For example, IF you graphed these on a graphing calculator, which quadrant would be the most shaded?SKETCH A PICTURE IF NECESSARY.
- A.
Quadrant I
- B.
Quadrant II
- C.
Quadrant III
- D.
Quadrant IV
- E.
Not enough information is available to answer the question.
- 9.Company ALPHA has sales of $60,000 and follows the Growth Model of 60,000(1.17)^10 for the first ten years. Company ZETA has sales of $35,000 and follows the Growth Model of 35,000(1.21)^10 for the first ten years. You have the opportunity to go back in time and invest in one of them. Which one is the better investment?
- A.
ALPHA
- B.
ZETA
- C.
Not enough information to make a good choice.
- 10.The use of the letter E on the calculator signifies "x 10 ^", so that 2x10^6 can be written as 2 E 6. Simplify (2 E 6) x (4 E 9)
- A.
8 E 45
- B.
6.0 E 45
- C.
8.0 E 14
- D.
8 E 15
- E.
6 E 15
- 11.Which series shows numbers in decreasing order?
- A.
3.54, 3.5, 3.45, 3.44, 3.40, 3.04
- B.
4.3, 4.32, 4.38, 4.83, 4.88, 4.33
- C.
8.090, 8.009, 8.08, 8.80, 8.88, 9.8
- D.
1.0, 2.0, 2.1, 2.2, 1.2, 1.1
- 12.A store can sell 5o boxes of cereal a day if the price is $2.80 per box and 65 boxes a day if the price is $2.65. Assuming that the relationship is linear, how many boxes would you expect them to sell each day if the selling price was $2.20? NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
220
- B.
110
- C.
20
- D.
130
- 13.If you have a parabola that is graphed and you wanted to slide the parabola up 5 units, which step below would you take?NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
Add 5 to the 'c' value.
- B.
Subtract 5 from the 'c' value.
- C.
Add 5 to the 'b' value.
- D.
Subtract 5 from the 'b' value.
- E.
Add 5 to the 'a' value
- 14.IF 40% of Bogarts are Gables, and 50% of Gables are Davis's, then a population of 60 Bogarts would have how many Davis's'?NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
54
- B.
45
- C.
14
- D.
12
- E.
10
- 15.Consider the following and determine what will be the seventh term. Assume that the first term is the "7".7, 11, 13, 17, 19, ____, _____
- A.
25
- B.
23
- C.
21
- D.
29
- E.
31
- 16.Balthazar rolls a 6-sided green die. Jedediah rolls a 4-sided purple die. Obi-wan also rolls a 4-sided black die. Which answer below is NOT a possible result of the product of all three rolls?NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
48
- B.
75
- C.
80
- D.
8
- E.
60
- 17.In the Richter Scale for measuring earthquakes, each whole number is 10X greater than the previous whole number. So that a 4.0 is ten times greater than a 3.0 and a 9.0 is ten times greater than an 8.0. Using that information, which answer below is true?
- A.
A 2.0 is half as powerful as a 4.0
- B.
A 4.0 is 100 times more powerful than a 6.0
- C.
A 8.0 is 1000 times more powerful than a 5.0.
- D.
A 5.0 is 100 times more powerful than a 7.0.
- E.
A 2.5 is half as powerful as a 5.0.
- 18.Which statement is true?
- A.
On every x-intercept the x-coordinate is always zero.
- B.
Every y-intercept has an x-coordinate of zero.
- C.
Every point on the y-axis is the y-intercept of a line.
- D.
Every parabola has at least one x-intercept.
- 19.8 + 9 - 12 + 4(5) + 2 - 8NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
19
- B.
20
- C.
18
- D.
17
- E.
21
- 20.Which one is greater than 3/4? NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
2/3
- B.
9/18
- C.
12/20
- D.
4/5
- E.
3/5
- 21.Which answer is closest to the product of 36 and 7? NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
250
- B.
258
- C.
198
- D.
210
- E.
244
- 22.Four people weigh an average of 16 stone each. They lose an average of 3.5 stone each. What is their new total weight? NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
46 stone
- B.
47 stone
- C.
48 stone
- D.
49 stone
- E.
50 stone
- 23.What is the probability of randomly selecting the letter E from the word Tennessee?T E N N E S S E E
- A.
4/5
- B.
4/9
- C.
5/9
- D.
4/1
- E.
9/4
- 24.You take a job as a delivery person for a toilet paper company. Each case of TP sells for $29. You are paid $1.50 per case that you deliver. In the first 30 min., you deliver 16 cases and receive $7 in tips. IF THIS ENTIRE PATTERN CONTINUES for the rest of your 8 hour working shift, how much money would you expect to make that day?NO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
$1,344
- B.
$496
- C.
$488
- D.
$283
- 25.Which two expressions do NOT give you a result of 17? "x" means multiplicationNO CALCULATOR ALLOWED! PAPER AND PENCIL ONLY.
- A.
5 + 7 + -9 + 7 x 3
- B.
7 * 2 - 9 + 12
- C.
(15 x 3) - 18
- D.
85 / 5
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