QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY
GRADED A+ 100% GUARANTEED PASS!
The two-digit number "ab" (where a is in the tens place and b is in the ones
place) is a multiple of 3; where a and b are integers - CORRECT ANSWER-Can
be expressed as (10a+b =3k); where k is any integer
A rectangle inscribed in a circle - CORRECT ANSWER-The diameter of the
circle is equal to the hypotenuse of the right tringle within the rectangle. Based
on the information provided, you can use a^2+b^2=c^2 to solve for missing
sides
Double Set Matrix - CORRECT ANSWER-For overlapping sets, make sure the
adjacent columns are of the sets that are mutually exclusive (i.e Set A and Not
Set A)
When you are trying to solve a quadratic expression - CORRECT ANSWER-
Look for the two factors and set them equal to 0. Determine which of the
factor expression will need to be negative/positive when set to 0. This will help
you determine which factor expression will give you a possible solution
Special Product 1: difference of squares - CORRECT ANSWER-a² - b² = (a +
b)(a - b)
18 x 22 = (20-2)(20+2)= 20^2 -2^2 =396
,Square of a difference - CORRECT ANSWER-(a-b)² = a² - 2ab + b²
17^2 = (20-3)^2 = 20^2 -2(20)(3) + 2^2 =289
Square of a Sum - CORRECT ANSWER-(a+b)² = a² + 2ab + b²
14^2 = (10+4)^2 = 10^2 + 2(10)(4) + 4^2 =196
Arrangement of a set - CORRECT ANSWER-Number of arrangements = n!
I should work backwards when... - CORRECT ANSWER-1. It is a P.S. question
2. Answer Choices are easy numbers
3. Questions only requires one variable to be solved
Complex Addition - CORRECT ANSWER-try breaking up the number into easy
to add numbers
A + B + C = (A +B) + C
Complex Multiplication - CORRECT ANSWER-1. Try breaking up into groups of
addition. a(b+c) = ab + ac
Ex: 8 x 23 = 8(20+3) = (8x3) + (8x20) = 164
Complex Division (a+b)/c - CORRECT ANSWER-Break the numerator up into
numbers that are both divisible by the denominator
(a+b)/c = a/c + b/c
,Sum / Difference of Two Even or Odd INT - CORRECT ANSWER-If 2 integers
are BOTH EVEN or BOTH ODD, then their SUM/DIFFERENCE is EVEN otherwise
the SUM/DIFFERENCE is ODD
Subtracting a positive is the same as... - CORRECT ANSWER-Adding a negative
Subtracting a negative is the same as... - CORRECT ANSWER-Adding a positive
Big POSITIVE- small POSITIVE = - CORRECT ANSWER-Positive
small POSITIVE-BIG POSITIVE= - CORRECT ANSWER-Negative
If X is divisible by a and b then... - CORRECT ANSWER-X is divisible the LCM of
a and b
A number X is a multiple of Y, only if... - CORRECT ANSWER-X shares the same
prime factors of Y
When I see percents in word problem - CORRECT ANSWER-Leave in fraction
form, and try to simplify. Always look further to see if something can conacel
out even with larger numbers
A word problem with porportions/ratio - CORRECT ANSWER-Keep in mind
what the actual numbers are in relation to the ratio
, A question about where an expression is less than or greater than 0 -
CORRECT ANSWER-It is asking to to determine which oarts of the expresion
must be either negative or positive
Different rates for different peoplle - CORRECT ANSWER-Use the average
speed formula total distance /total time to find the average speed
Given information on the length of an arc - CORRECT ANSWER-I need either
the total circumfrence, angle or toal area to determine a radius
If I am given two equations that seem to have a pattern - CORRECT ANSWER-
Use the pattern to find the result
A question dealing with percent increases - CORRECT ANSWER-"I should
reference the two percent equations: % increase = change in value /original
value OR new percent = new value/original value"
Inequailties - CORRECT ANSWER-Simplify to get the unknown variable alone
When a question phrases a statement as "If x is divisible by 8, 12, 45, What is
the greatest number that x must be divisible by" is the same thing as... -
CORRECT ANSWER-What is the LCM of 8, 12, 45"
To answer this question, draw factor trees for each number, determine how
many of each factor is guaranteed to be in x (remember to strip out the
overlap) then multiply the selected factors
In order to determine whether a given dividend would result in a remainder of
x - CORRECT ANSWER-The dividend minus x must equal a multiple of the
divisor.