CCSS.Math.Content.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.Math.Content.HSF.BF.A.2

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Tags

CCSS.Math.Content.HSF.BF.A.2

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515
• -490
• -535
• 460

Tags

CCSS.Math.Content.HSF.BF.A.2

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.Math.Content.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1
• a_n = 3(4)^n-1
• a_n = -4(3)^n-1
• a_n = 3(-4)^n-1

Tags

CCSS.Math.Content.HSF.BF.A.2

The explicit rule for arithmetic sequence is a_n = a₁ + d(n − 1), what does the d represent.

• common denominator
• common difference
• common divider
• uncommon difference

Tags

CCSS.Math.Content.HSF.BF.A.2

What is the common difference or ratio of the pattern 32, 38, 44, 50, 56, ...?

• d = + 6
• d = - 6
• d = - 8
• d =  2

Tags

CCSS.Math.Content.HSF.BF.A.2

Which of the following equations is explicit?

• f(n) = 4n + 5
• f(n) = f(n-1) x 5

Tags

CCSS.Math.Content.HSF.BF.A.2

Describe the pattern in the sequence. Find the next three terms.

13, 15, 17, 19,...

• Add 2; 23, 25, 27

• Multiply by 2; 38, 76, 152

• Add -2; 17, 15, 13

• Add 2; 21, 23, 25

Tags

CCSS.Math.Content.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1
• a_n = 3(4)^n-1
• a_n = -4(3)^n-1
• a_n = 3(-4)^n-1

Tags

CCSS.Math.Content.HSF.BF.A.2