Sigma Notation- Summing it Up

Sigma Notation I

Five Questions

1 / 5

Solve this equation

$\sum_{n = 2}^{7} n$

1+ 2 + 3 + 4 + 5 + 6 + 7

2 + 3 + 4 + 5 + 6 + 7

1+ 2 + 3 + 4 + 5 + 6

2 – 3 – 4 – 5 – 6 – 7

2 / 5

Can you solve this?

$\sum_{c = 2}^{5} c \times 2$

4 + 6 + 8 + 10 + 12

2 + 4 + 6 + 8

2 + 4 + 6 + 8 + 10

4 + 6 + 8 + 10

3 / 5

Try this one!

$\sum_{y = 3}^{6} \frac{y}{y + 1}$

\frac{2}{3} + \frac{3}{4} + \frac{4}{5} + \frac{5}{6} + \frac{6}{7}

\frac{3}{4} + \frac{4}{5} + \frac{5}{6} + \frac{6}{7}

\frac{3}{4} + \frac{4}{5} + \frac{5}{6}

\frac{2}{3} + \frac{3}{4} + \frac{4}{5} + \frac{5}{6}

4 / 5

How about this one?

$\sum_{u = 0}^{4} u - 1$

-1 + 0 + 1 + 2 + 3

0 + 1 + 2 + 3 + 4

0 – 1 – 2 – 3 – 4

1 + 2 + 3 + 4

5 / 5

What is the equation for:

$\sum_{q = 0}^{5} q = 1$

1 + 2 + 3 + 4 + 5

2 + 3 + 4 + 5 + 6

1 + 2 + 3 + 4 + 5 + 6

2 +1+ 3 +1+ 4 +1+ 5 + 1+6+1

Your score is

The average score is 72%

0%

$\sum_{n = 2}^{7} n$

$\sum_{n = 1}^{8} n + 1$

$\sum_{c = 2}^{4} c 2$

$\sum_{u = 5}^{5} u$

$\sum_{n = 4}^{6} 3^{n}$

$\sum_{k = 2}^{4} k^{2}$

$\sum_{r = 1}^{6} \frac{1}{2} r (r + 1)$

$\sum_{a = 1}^{4} (- 1)^{a}$

$\sum_{d = 1}^{5} \frac{1}{d}$

Solve this equation

$\sum_{n = 2}^{7} n$

Can you solve this?

$\sum_{c = 2}^{5} c \times 2$

Try this one!

$\sum_{y = 3}^{6} \frac{y}{y + 1}$

How about this one?

$\sum_{u = 0}^{4} u - 1$

What is the equation for:

$\sum_{q = 0}^{5} q = 1$

How many terms are there?

$\sum_{p = 0}^{49}$

This notation is finite

$\sum_{d = 3}^{\infty} d + 6$

This notation classified as:

$\sum_{t = 1}^{} t - \frac{2}{}$

How many terms here?

$\sum_{t = j}^{72} t - j_{x}$

There are three terms in this notation.

$\sum_{a = 5}^{7} a$

Sigma Notation- Summing it Up

∑ i

∑i=1ni

∑i=38i=3+4+5+6+7+8=33

∑I=27=22+32+42+52+62+72=139

∑x=15=(3x+2)=5+8+11+14+17=55

∑a=24a(a+2)=3+12+21+48

∑d=79ii+1=78+89+910

∑n=27n

∑n=18n+1

∑c=24c2

∑u=55u

∑n=463n

∑k=24k2

∑r=1612r(r+1)

∑a=14(–1)a

∑d=151d

Solve this equation

∑n=27n

Can you solve this?

∑c=25c×2

Try this one!

∑y=36yy+1

How about this one?

∑u=04u–1

What is the equation for:

∑q=05q=1

How many terms are there?

∑p=049

This notation is finite

∑d=3∞d+6

This notation classified as:

∑t=1t–2

How many terms here?

∑t=j72t–jx

There are three terms in this notation.

∑a=57a

$\sum i$

$\sum_{i = 1}^{n} i$

$\sum_{i = 3}^{8} i = 3 + 4 + 5 + 6 + 7 + 8 = 33$

$\sum_{I = 2}^{7} = 2^{2} + 3^{2} + 4^{2} + 5^{2} + 6^{2} + 7^{2} = 139$

$\sum_{x = 1}^{5} = (3 x + 2) = 5 + 8 + 11 + 14 + 17 = 55$

$\sum_{a = 2}^{4} a (a + 2) = 3 + 12 + 21 + 48$

$\sum_{d = 7}^{9} \frac{i}{i + 1} = \frac{7}{8} + \frac{8}{9} + \frac{9}{10}$

$\sum_{n = 2}^{7} n$

$\sum_{n = 1}^{8} n + 1$

$\sum_{c = 2}^{4} c 2$

$\sum_{u = 5}^{5} u$

$\sum_{n = 4}^{6} 3^{n}$

$\sum_{k = 2}^{4} k^{2}$

$\sum_{r = 1}^{6} \frac{1}{2} r (r + 1)$

$\sum_{a = 1}^{4} (- 1)^{a}$

$\sum_{d = 1}^{5} \frac{1}{d}$

$\sum_{n = 2}^{7} n$

$\sum_{c = 2}^{5} c \times 2$

$\sum_{y = 3}^{6} \frac{y}{y + 1}$

$\sum_{u = 0}^{4} u - 1$

$\sum_{q = 0}^{5} q = 1$

$\sum_{p = 0}^{49}$

$\sum_{d = 3}^{\infty} d + 6$

$\sum_{t = 1}^{} t - \frac{2}{}$

$\sum_{t = j}^{72} t - j_{x}$

$\sum_{a = 5}^{7} a$