Financial + Measurement
What is the increase of $4200 by 22%.
$5124?
Name the 5 transformations we have learned.
Rotation, Reflection, Translation, Enlargement (Reduction), Stretch
True or False:
The graph of a quadratic function is called a parabola, and is symmetrical about the x-axis.
False: it is symmetrical about the y-axis
Define tangent.
tan = opposite over adjacent
FREE POINTS!!!!!
However, for each historical mathematician your team can name in 30 seconds, you will receive 20 extra points.
Sample responses:
Archimedes, Pythagoras, Euclid, Einstein, Hypatia, Fibonacci, Newton, Pascal, Gauss, Lovelace, Lewis Carroll, etc.
What is the selling point of a dress marked at $145 but discounted by 60% for an end of season sale.
$58?
What is the difference between congruence and similarity?
Congruence: identical side and angle measures, Similarity: only identical angle measures
Factor and solve:
x2-5x+6 = 0
(x-2)(x-3) = 0, x=2,3
If the hypotenuse of a triangle is 5.88 m and one leg is 3.17 m, find the measure of the angle between them. (to the nearest degree)
57 degrees
One person from your team must count to 105 by 7s. If they make any mistakes, your team will receive no points. You have 30 seconds to prepare them.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105
A car is bought for $1500. However, after an accident it's value depreciates by 25%. The next week, it depreciates again by 30% because the wheels fell off. How much is the car worth now?
$787.50
Name 3 theorems that we use to prove two triangles are congruent.
Work together to name as many digits of pi as you can. For each correct digit (preceding the first error), your team will receive 50 points,
3.1415926535 ...
Give the equation for the area of a triangle, using sin.
0.5 * a * c * sin(B)
Name every math teacher (MYP and DP) who currently works at SPH LV.
Ms. Eliza, Ibu Gloria, Ibu Ren, Mr. John, Mr. Mike, Pak Eri, Pak Yusak
Write the age of your group's spokesperson in Roman Numerals.
various
True or False:
A tangent is the only line which intersects a circle at exactly one point.
True: all other lines, extending indefinitely, either touch twice or not at all.
Find the HCF of these terms:
(x2+1) and (4x-4)
(x-1)
What is the cosine rule?
c2=a2+b2-2abcos(C)
If 1=3, 2=3, 3=5, 4=4, 5=4, and 6=3, then 7=?
s e v e n = 5
Find the value of $6000, after it is invested for 4 years at 8% p.a. compound interest.
$8162.93
Today is Wednesday, my dudes! What day of the week will it be 105 days from now?
105/7 = 15, so in 15 weeks it will still be a Wednesday
Factor and solve:
s(s+7)+7(s+7) = 0
(s+7)2 = 0, s = -7
One member of your team must recite all the perfect square numbers up to 15x15. You will have 30 seconds to prepare them.
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225
What is Ibu Gloria's favorite number?
18