what is the pattern if
x: 1, 3, 5, 7
y: 1, 5,13,25
2006-07-15 23:31:55 · 14 answers · asked by Mr.No IT ALL 1 in Education & Reference ➔ Other - Education
Can you give me like a rule like this
x= 7(y+4)/100
something like this
don't write this down as answer!
2006-07-15 23:48:53 · update #1
I took out a pen and a paper for this, you better give me my 10 points ;)
y = ((x*x) + 1 ) / 2 OR:
x = √ (2y - 1) <<----- under the square root sign
2006-07-15 23:58:01 · answer #1 · answered by Lizzyyyy 3 · 3⤊ 1⤋
Do you mean the pattern as in which numbers come next in logical sequences, or the pattern if those coordinates are graphed?
The next logical number for X is 9. The numbers are increasing by two each time. At first it looks like they might all be primes, but 2 is missing and is a prime, so adding two is the only other thing that makes sense from the information given.
The next logical number for Y is 41. The numbers are increasing in a pattern of 4 x Z, where Z is the position of the given number in the sequence. That doesn't make much sense, so let me illustrate:
1 + (4x1)=5; 5 + (4x2)=13; 13 + (4x3)=25; 25 + (4x4)=41
1 is the first number in the sequence, so we take 4x1, or 4, and add it to 1. 5 is the second number in the sequence, so we take 4x2, or 8, and add it to 5, for a total of 13. 13 is the third number in the sequence, so we take 4x3, or 12, and add that to the 13 to get 25, etc.
If you follow the pattern above, and just plug in the next number, you find that the sixth number for the Y sequence is 61, or 41 + (4x5)=61
If you are asking how the figure looks if it is graphed with those coordinates, you get a steeply rising line, due to the fact that the Y coordinates are increasing at a much faster rate than the X coordinates.
2006-07-16 06:56:14 · answer #2 · answered by Bronwen 7 · 0⤊ 0⤋
x: plus 2
y: 1+4=5, 5+4+4=13, 13+4+4+4=25 ...and so on.
2006-07-16 06:37:02 · answer #3 · answered by Anonymous · 0⤊ 0⤋
x: 9, 11, 13 (odd numbers)
y: 41, 61, 85 (add 4 to orignal, then 8, then 12, then 16 and so on)
2006-07-16 06:35:59 · answer #4 · answered by hitominojyuunin 2 · 0⤊ 0⤋
The answer is simple . use (x * x +1)/2 formula.
2006-07-16 06:50:28 · answer #5 · answered by reza 4 · 0⤊ 0⤋
x: add 2
y: add 4 to the first number, then 8 to the second, 12, etc.
2006-07-16 06:35:51 · answer #6 · answered by High On Life 5 · 0⤊ 0⤋
x:odd prime nos. in sequence
y:difference betwenn 2 consecutive nos. is in the increasing multiple of 4 i.e. 4,8,12
2006-07-16 06:39:02 · answer #7 · answered by samy 2 · 0⤊ 0⤋
For the first one add 2 each time.
For the second one add 4+prvious four each time.
1,3,5,7,9,11etc
1,5,13,25,41,61,etc
2006-07-16 06:36:45 · answer #8 · answered by Anonymous · 0⤊ 0⤋
x = prime numbers in order
y = every other prime number
2006-07-16 06:35:42 · answer #9 · answered by Mr. Peachy® 7 · 0⤊ 0⤋
x: arithmetic progression
y: harmonic progression
2006-07-16 06:37:58 · answer #10 · answered by Anonymous · 0⤊ 0⤋