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You may notice that the numbers are one more than the triangular numbers. So

t(n) = n(n + 1)/2 + 1 for n = 1, 2, 3, ...

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Q: What is the rule for 2 4 7 11 16?
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What is the pattern rule for 4 5 7 11 19?

One rule for this pattern is to add twice the previous value added 4 + 1 = 5 5 + 2×1 = 5 + 2 = 7 7 + 2×2 = 7 + 4 = 11 11 + 2×4 = 11 + 8 = 19 Continuing the next numbers would be: 19 + 2×8 = 19 + 16 = 35 35 + 2×16 = 35 + 32 = 67 ...


What is the pattern rule of 1 2 4 7?

Add the increasing numbers by one - as in 0 1 2 3 4 5 6 etc 1 + 0 = 1 1 + 1 = 2 2 + 2 = 4 4 + 3 = 7 7 + 4 = 11 11 + 5 = 16 16 + 6 = 22


What is the vertex of the parabola of y equals -4x 2-16x-11?

f(x) = -4x2 - 16x - 11 a = -4, b = -16, c = -11 x-coordinate of the vertex = -b/2a = -(-16)/2(-4) = 16/-8 = -2 y-coordinate = f(-2) = -4(-2)2 -16(-2) - 11 = -16 + 32 - 11 = 5 vertex is (-2, 5)


What is the pattern rule of 2 4 7 11 15?

The pattern will be +2, +3, +4, +4


What comes next in series 1 2 4 7 11 16 22?

29 because 1+1=2 2+2=4 4+3=7 7+4=11 11+5=16 16+6=22 22+7=29


What is missing 1-2-4-7-11--22?

16. 1 is added to the difference each time: 1 + 1 = 2 2 + 2 = 4 4 + 3 = 7 7 + 4 = 11 11 + 5 = 16 [the missing number] 16 + 6 = 22


What comes next in series 24711?

16 because 2 + 2= 4, 4 + 3 =7, 7 + 4 = 11, so logically 11 + 5 = 16.


What are the missing numbers in sequence 1 2 4 7 - - 22 and why?

11 and 16 Because: 1+0 = 1 1+1 = 2 2+2 = 4 4+3 = 7 7+4 = 11 11+5 = 16 16+6 = 22 22+7 = 29 and so on ....


What is equivalent fraction of 4 over 11?

Equivalent fractions of 4/11 = 8/22, 12/33, 16/44, 20/55,…To get the equivalent fractions of 4/11:Multiply 4/11 by 2/2, 3/3, 4/4, 5/5,...4/11 * 2/2 = 8/224/11 * 3/3 = 12/334/11 * 4/4 = 16/444/11 * 5/5 = 20/55Equivalent fractions of 4/11 = 8/22, 12/33, 16/44, 20/55,…


What is the rule of the sequence 2 4 8 16 32?

multiply each number by 2


What is the next number 2 4 8?

Either 14 or 16 continues a rule that generates 2 - 4 - 8.


What is 3 and 3 over 4 minus 5 and 4 over 16?

33/4 - 54/16 = -3/2 or -11/2