Maths Quiz
Pre-Qualifying Round
Class: 9 and 10 Subject: Mathematics

1. If n is an odd integer, which one of the following is an even integer? n (a) n 3 (b) (c) 2n3 (d) n n3 (e) n 4 2. If x and y are perfect squares, then which of the following is not necessarily a perfect square? (a) x2 (b) xy (c) 4x (d) x + y (e) x5 3. Let P = ( x + y ) k . If P = 10 and k = 3, what is the average of x 1 5 10 7 and y? (a) 0 (b) (c) (d) (e) 2 3 3 2 4. A square with sides of length 3 cm is intersected by a line at S and T. What is the maximum possible distance between S and T? (a) 6 (b) 2 3 (c) 3 2 (d) (e) 9 2 5 5. If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent of less than xz? (a) 10% (b) 20% (c) 37% (d) 40% (e) 100% 6. The average of five numbers is 6.9. If one of the numbers is deleted, the average of the remaining numbers is 4.4. What is the value of the number deleted? 7. John is 20 years older then Steve. In 10 years, Steve’s age will be half that of John’s. What is Steve’s age? (a)2 (b) 8 (c) 10 (d) 20 (e) 25 8. Joe takes three-fifths of a bag of candy. Bob has three fourths of Pete’s share of the remaining candy. What fraction of the total number of pieces of candy does Pete have? 9. Arrange the four squares below to create five squares of the same size. You cannot interlock or overlap the squares.

10. One- fifth of a pound of chocolate is balance perfectly by two-fifth of a block of the same chocolate. What is the weight of the whole block of chocolate?

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11.Six hours ago, it was two hours later than three hours before midnight. What time is it? (a) 5 a.m. (b) 7 a.m. (c) 5 p.m. (d) 8 p.m. (e) 10 p.m. 12.Draw a square as shown and divide the square into four equal congruent parts with three straight lines. None of the lines may cross each other within the square

r .

13.At a reception, one-third of the guests departed at a certain time. Later, two-fifths...

...90
Score:
9 of 10 points
Answer Key
Top of Form
Question 1 (Worth 1 points)
(03.02)
Use the graph below to fill in the blank with the correct number:
f(-2) = _______
Answer blank 1:
Points earned on this question: 1
Question 2 (Worth 2 points)
(03.02)<object:standard:macc.912.f-if.1.3
Find f(5) for this sequence:
f(1) = 2 and f(2) = 4, f(n) = f(1) + f(2) + f(n - 1), for n > 2.
f(5) = ______</object:standard:macc.912.f-if.1.3
Answer blank 1:
Points earned on this...

...
ANALYSIS
Physics has a lot of topics to cover. In the previous experiments, we discussed Forces, Kinematics, and Motions. In this experiment, the focus is all about Friction. Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction like fluid friction which describes the friction between layers of a viscous fluid that are moving relative to each other; dry friction which...

...
The case between Beauty and Stylish involves concept of a valid contract, pre-contractual statements, express term and misrepresentation.
A valid contract is established between Beauty and Stylish when an offer is accepted and there is intention for both parties to create legal relations. An offer refers to the expression of willingness of the offerer to be contractually bound by an agreement if his or her offer is properly accepted. It has to be clear and certain in terms. It must also...

...STELLAR NUMBERS
In order to develop this mathematics SL portfolio, I will require the use of windows paint 2010 and the graphic calculator fx-9860G SD emulator, meaning that I will use screenshots from this software with the intention of demonstrating my work and process of stellar numbers sequences.
Triangular numbers are those which follow a triangular pattern, these numbers can be represented in a triangular grid of evenly spaced...

...Unit 4 – Trigonomitry Quiz
True or False Questions, circle your answer.
1. cos(α)=opposite/adjacent true false
2. sin(54)=3.4/2.7 true false
for:
3. sin(α)/a=sin(β)/b is the same as a/sin(β)=b/sin(α)
true false
4. SohCahToa is not the same as primary trigonomic ratios
true false
5. The cosine law is: cos(γ)=(a²+b²-c²)/(2ab)
true false
Multiple Choice, mark your answer(s).
1. sin(20°)=45.9/c
a.) c=88.79...

...What is a polynomial with exactly two terms?
Answer: Binomial
3. What is the formula for area of the Parallelogram?
Answer: A=(base)(height)
4. What is the reciprocal of the tangent function?
Answer: Cotangent
5. What is the numbers used to locate a point in space?
Answer: Coordinates
6. What is the point at which the axes of a coordinate system cross; the point (0,0) in the Cartesian coordinate system?
Answer: Origin
7. Any one of the...

...
Complex Laws.
Let z1 = a + ib, and z2 = c + id, where a, b, c and d are real numbers.
Square root of a complex number.
Solve for x and y by inspection. If unable to do through inspection use the identity;
And then perform simultaneous equations.
Conjugate.
If then .
Adding vectors.
Complete Parallelogram Head to Tail
Subtracting vectors.
Complete Parallelogram...

...The Masque of the Red Death
Edgar Allan Poe
1. Explain the unique aspects of the rooms, including how many of them there are and what makes them different?
2. What is the effect of the ebony clocks’ chimes on the assembled guests?
3. The word mad means insane. What is ironic about the narrator’s mention that ‘There are some who would have thought Prospero mad’?
4. What details about the seventh room makes it grotesque in appearance?
5. What does the masked figure walking and its...

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