Use Sigma notation to rewrite sequence

How many terms are there in the series  $\sum_{k=3}^{13}3k+1$  

• 13

• 11

• 10

Write 1 + 2 + 3 + ... + 10

using sigma notation

• $\sum_{d=1}^9d$

• $\sum_{d=1}^{10}d+1$

• $\sum_{d=1}^{10}d$

Tags

CCSS.HSF.BF.A.2

Write 1 + 4 + 9 + ... + 49

using sigma notation

• $\sum_{k=1}^7k^2$

• $\sum_{k=1}^8k^2$

• $\sum_{k=1}^{49}k^2$

Tags

CCSS.HSF.BF.A.2

Write in expanded form

 $\sum_{n\ =\ 1}^6\left(n\ +\ 10\right)$  

• 11 + 13 + 15 + 17 + 19 + 21

• 11 + 12 + 13 + 14 + 15 + 16

• 1= + 11 + 12 + 13 + 14 + 15

• 10 + 12 + 14 + 16 + 18 + 20

Tags

CCSS.HSF.BF.A.2

Use sigma notation to write the given sum

 $\frac{1}{3\left(1\right)}+\frac{1}{3\left(2\right)}+\frac{1}{3\left(3\right)}+\ ...\ +\ \frac{1}{3\left(9\right)}$  

•  $\sum_{n\ =\ 0}^9\left(\frac{1}{3\ +\ n}\right)$  

•  $\sum_{n\ =\ 1}^9\frac{1}{3n}$  

•  $\sum_{n\ =\ 1}^9\frac{1}{2n}$  

•  $\sum_{n\ =\ 1}^9\frac{1}{n}$  

Tags

CCSS.HSF.BF.A.2

• y =  ^_(x + 2)(x - 1)²
• y = -(x - 2)(x + 1)²
• y = (x - 2)(x + 1)²
• y = -x³

• 4th degree polynomial with a positive leading coefficient
• 4th degree polynomial with a negative leading coefficient
• 3rd degree polynomial with a positive leading coefficient
• 3rd degree polynomial with a negative leading coefficient

Which of the following correctly identifies the End Behavior?

• 
• 
• 
• 

Write a 4th degree polynomial function with:
*a positive leading coefficient
*zeros: 9, 3, -2, 0

• y = x(x - 9)(x - 3)(x + 2)
• y = x(x + 9)(x + 3)(x - 2)
• y = -x(x - 9)(x - 3)(x + 2)
• y = -x(x + 9)(x + 3)(x - 2)

Tags

CCSS.HSA.APR.B.3

Is the leading coefficient positive or negative

• positive
• negative