Math Assesment 4
Delta Math Summation
2*Σ (top = 3), t =0, (-2t+t^2)
Delta Math Summation
2Σ (top = 7), t =3, (-8 + t^2)
Sequences s5 p3 ext
A student said the recursive definition for sequence ( 6,12,18,24,30) a(n+1) = an + 6. Is the student correct? Explain why or why not?
Sequences s7 pC
An = 2a(n-1) - (a(n-2))^2 a1 = 2 a2 - 5. Write the recursive definition and the first 8 terms
Sequences s7 pD
An = a(n-1) + a(n-2) Write the recursive definition and the first 8 terms
Sequences s7 pB ext
Can a student find the first 8 terms of the recursive an = a(n-1) + a(n-2) and a1 = 2?
Sequences s8 p1
Create three different visualizations for this. (2 visual and one mathematical)
Sequences s10 2b
Expand and show sum (in sigma notation) (not need to find it) Σ (top = 5), k=1, 9 * (2/3)^k
Sequences s10 2c
Expand and show sum (in sigma notation) (not need to find it) Σ (top = 9), k=3, (k+2)/(k-2)
Sequences s8 p2
Find the sum of 100 integers (use the method we learned with Sn)
Sequences s8 p3
Find the sum of Sn sequence (1,2,3...n-2,n-1,n)
Sequences s8 p6
Find the sum of first 5 integers of the sequence 2,4,8,16,32,64... If it is not possible explain why.
Delta Math arithmetic
Find the value of a67 for sequence -17,-23,-29
Delta Math geometric
Find the value of a9 for sequence 9,27,81
Delta Math arithmetic
Find the value of a96 for sequence -30,-32,-34
Sequences s5 p10
For sequence -1/4, 1/2,-1,2, -4, 8, ____,____ Write out the recursive definition, describe the formula, and the explicit formula, and fill out the last two blanks.
Sequences s5 p12
For sequence -32,16, -8, 4, ____,____ Write out the recursive definition, describe the formula, and the explicit formula, and fill out the last two blanks.
Sequences s5 p1
For sequence 19,15,11,7,3,-1, ____, ____ Write out the explicit formula. recursive definition, describe the formula
Sequences s5 p3
For sequence 6,12,18,24,30, ____,____ Write out the recursive definition, describe the formula and fill out the last two blanks.
Sequences s10 3
How do we know if a series is an arthmetic series?
Sequences s3 p3
If the first term in an arithmetic sequence is a1 and the common difference is d, what is the formula for an A student wrote the formula rn = a1 + d(n-1), where a1 is the value for the first term and d is the difference. Explain there thinking
Sequences s3 p4
If you know the fifth number in an arithmetic sequence is 5 and the eleventh number is 71, come up with a formula for the nth term.
Sequences s4 p7
If you know the first number in a geometric sequence is a1 and the common ration is r, come up with a formula for the nth term.
Sequences s3 p1
If you know the first number in an arthmetic sequence is 5 and each term in the sequence goes up by 3, come up with a formula for th nth term. (check the formula knowing that the fourth term is 14)
Sequences s4 p11
If you know the third number in a geometric sequence is 54 and the fifth number is 486, come up with a formula for the nth term.
Sequences s4 p11 ext
If you know the third number in a geometric sequence is 54 and the fifth number is 486, come up with a formula for the nth term. How many different equations could one write for this problem? Why?
Sequences s8 p6 ext
Why does the method to find a specific number in a sequence not work for geometric sequences?
Sequences s9 6b
Write an equation to find the sum of a sequence of numbers. For which type of series could the equation be used for an why?
Sequences s11 1
Write terms in summation (don't need to calculate full thing)
Sequences s11 2a
Write terms in summation notation
Sequences s11 2b
Write terms in summation notation
Delta Math explicit formula
Write the equation for sequence 33,28,23
Delta Math explicit formula
Write the equation for sequence 6,-30,150
Sequences s10 1a
Write two different equations for the series
Sequences s10 1b
Write two different equations for the series
Sequences s10 1c
Write two different equations for the series
Delta Math recursive sequences
a1 = 3 an+1 = 5an -3. what is a4?
Delta Math recursive sequences
a1 = 5, a2 -1 an = 2an-1 + an-2. What a4
Sequences s3 p5
if you know the fifth number in an artmetic sequence is 5.2 and the eleventh number is -9.4, come up with a formula for the nth term.
Delta Math Summation
Σ (top = 6), t =1, (-9t + 3t^2)
