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If f(x)= 2x3/3 , and f(x+2)=18, then x=?
1. Replace x with x + 2
1
How many sides is triangle
3
How many sides is quadrilateral
4
How many sides is Pentagon
5
How many sides is Hexagon
6
How many sides is Heptagon/Septagon
7
How many sides is Octagon
8
How many sides is Enneagon
9
How many sides is Decagon
10
Sum° of triangle
180
Sum° of Quadrilateral
360
Sum° of Pentagon
540
Sum° of Hexagon
720
Sum° of Heptagon/Septagon
900
Sum° of Octagon
1080
Sum° of Enneagon
1160
Sum° of Decagon
1440
Regular Individual Angle Formula
Sum/Sides of Polygon
Individual Angle of Decagon
144
i1
i
i2
-1
i3
-i
i4
1
i216
1
The expression x3yz/xy5z is equal to?
1. Write them as powers:
2. Subtract exponents (same base rule)
x2/y-4
Pedro can finish painting a wall in 6 hours. Juan can finish painting the same in wall in 3 hours. How long will it take them to finish painting the wall together?
1. Get work rates (make a fraction)
2. Combine rates to get wall/hour
2
Perfect Square Trinomial
a2 ± 2ab + b2 = (a ± b)2
The expression x2−8x+16 can be factored as?
1. Make it a perfect trinomial square
2. Know what is a and b
(x - 4)2
Fractional exponent rule
xm/n = n√xm= (n√x)m
The expression x2/3 is equivalent to:
∛x2
Company A invested 10,000 pesos in a bond that yields 10% per year. How much more do they need to invest in another bond that yields 5% if they want to earn 1,500 pesos in a year?
1. Get Earnings and Total Desired Earnings
2. Find how much to invest in Company B
10,000
Earnings Formula
Investment x Interest Rate
A certain car dealer offers customizable cars. It offers 3 different colors, 2 different transmissions, and 5 different seat covers for every car. How many different customizations are possible?
30
If 5x/57 = 125, what is x?
10
Formula of m2
-1/m1
Point-Slope Form
y−y1 = m2 (x−x1)
The line y = 4x + 6 is perpendicular to line l, which intersects it at point (0, 6). What is the equation of line l?
1. Find m1, y1, m2
2. Use Point-Slope Form
y = -1/4x + 6
Average Formula
x + y + z/3
If the sum of the values x and y is z, what is the average of the three values?
1. Get Average Formula
2z/3
The number of ice cream cones eaten is directly proportional to the amount of burgers available. If 10 ice cream cones were eaten when there were 50 burgers available, how many ice cream cones will be eaten if 75 burgers are available?
1. Make it a fraction
2. Make x and equalize first fraction
15
In the following equation, x = z^3 for all integers y. What is y in terms of z?
y = 2 + x^2
Put value of x in fraction
2 + z6
What is the probability that you will pick a green marble out of a bag with 3 red marbles, 4 blue marbles and 7 green marbles?
1. Add all marbles and make it a denominator
1/2
You blindly guessed the last five multiple-choice items of an UPCAT practice test. What is the probability that you will answer all five questions correctly?
1. Make fraction of possible correct answer and the number of choices
2. Make it to the 5th power
1/1024
If x+4/8 − 2x+8/16 = x+4/4 then x=?
1. Gawing mong magkakamukha
2. Reduce smallest terms
-4
If x2 + 8x + 16 = 30, (x+4) is equal to?
±√30
Given the series 1, 5, 13, 29, ... What is the 6th term?
1. Know the differences
125
nth term formula
an = a1 + (n - 1)d
Find the sum of the arithmetic series 1, 5, 9, 13, ... , 45.
1. Find nth term
276
Formula for Sum of series
Sn = n/2 (a1 + an)
x′
2h - x
y′
2k − y
A circle with the equation (x - 2)2 + (y - 2)2 = 4 is on the xy-coordinate plane. What is the point on the circle opposite the point (0, 2), which is also on the circle?
1. Know value of Center (h, k), point and radius
2. Know value of x’ and y’
(4, 2)
Odd ± Even
Odd x Odd
Odd2
Odd3
Odd
Odd ± Odd
Odd x Even
Even
x is an odd number. Which of the following numbers are odd numbers too?
4x + 1
Theo is x years old and Julian is 5 years younger. In 3 years, Theo’s age will be double that of Julian’s. How old is Theo now?
1. Make age of theo x
2. Don’t forget the double
7
Asquare
s2
Psquare
4s
Arectangle
Lw
Prectangle
2L + 2w
Acircle
πr2
Pcircle
πd
Atriangle
a + b + c
Ptriangle
½ bh

Given the figure above with a square attached to a triangle, what its perimeter?
1. Know values of each side
18 + 6√3

What is the area of figure 3 given in item 101?
1. Get area of square and triangle
2. Combine
36 + 6√3
What is the radius of the biggest cylinder you can fit in a prism that has a length and width of 5, and a height of 21?
1. List terms
2.5
Acube
6s2
Vcube
53
Arectangular prism
2Lw + 2hw + 2Lh
Vrectangular prism
Lwh
Asphere
4πr2
Vsphere
4/3πr3
Acylinder
2πrh + πr2
Vcylinder
πr2h
6y (2x + 7) = 36. What is the value of xy in the equation above?
1. Get rid of 6
6 - 7y/2
If x + 7y = −8, and 2x + 6y = 6, what is (x − y) equal to?
1. Get value of x
2. Solve eq. 2 and get y
3. Solve eq. 1 and get x
14
If x2 (x3) = y10 what is x in terms of y?
1. Combine x exponents
y2
Distance Formula
speed x time
Two runners started running from the same area. Runner A ran with a speed of 3 m/s, and runner B ran with a speed of 5 m/s. By how many meters does runner B lead after 15 seconds?
30
Δ > 0
2 real roots
Δ = 0
1 real root
Δ < 0
no real roots
How many real roots does the quadratic equation x2 − 4x +12 have?
1. Look for values of a, b, c
2. Define if what root
0
Discriminant Δ
b2 - 4ac
Full Circle in degrees
360
Full circle in radians
2πrad
Convert π/3 to radians.
60
What is the next term in this series? 1, 3, 7, 17, _____ (mas mataas sa 17 at 17 + 10)
41
Solve for x: x/x2 + 6x + 8 = √576/x + 2
1. Simplify Terms
2. Factor denominator
3. Eliminate common factor
- 96/23
PQRS is a positive, even integer with its digits represented by the respective variables P, Q, R & S. How many possible number combinations are there if no digits can repeat?
Understand that the whole needs to be even, not each number. PQRS like 1000 is even as a whole.
2520
Given the equation 2x2 + 7x + 6 = 0, what are possible values of the variable x?
1. Know values of a, b, c
2. Multiply a to c
3. Find two numbers that when you multiply, the answer is the value of a and c, and when you add the answer is value of b
4. Replace two numbers to 7×
5. Group into terms and factor it (divide to x and 2)
6. Factor out common term
-2

Given that the population of the Philippines is 100,000,000 people, how many individuals are not Roman Catholic?
1. Subtract 100% to not roman catholic
2. Multiply the value to population in the ph
18,000,000
Given the equation, a2 - b2 = 9 here b is a positive integer less than 10, what is the value of a?
1. Get factors of 9 and a2 - b2
2. Solve for value of a
5
Factor using difference of squares
a2 - b2
(a−b)(a+b)
Midpoint of AC is equivalent to
Midpoint of BD
Midpoint Formula
Mx = Bx + Dx/2, My = By + Dy/2
Find BD Formula
√(XB - XD)2 + (YB - YD)2
On the xy-coordinate plane, the following points are part of rhombus ABCD.
Point A: (1, 2)
Point B: (3, 2)
Point C: (2, 0)
What is the length of diagonal BD?
1. Find midpoint of BD
2. Use midpoint to find D
3. Find the length of BD
√13
In the English Premier League, there are 20 teams that go against each other twice in one season. How many games in total are played in one season?
1. Divide number of teams to number of temas in one match up
2. Multiply number of teams to number of teams they might go against with
3. Multipy the value to number of chance they might go against with
380