explicit to explicit

Given the arithmetic sequence a_n = 3n-1
which equation is equivalent

• a_n = 3n-1
• a_n = 2 + (n-1)3 
• a_n = 2(n-1) +3
• a_n = -1 + (n-1)3 

Given the arithmetic sequence a_n = 7n+5
which equation is equivalent

• a_n = 7n-5
• a_n = 12 +(n-1)7
• a_n = 7(n-1) +5
• a_n = 5 + (n-1) 7

Given the arithmetic sequence a_n = 9n+3
which equation is equivalent

• a_n = 9n-1
• a_n = 12 + (n-1)9
• a_n = 3(n-1) +9
• a_n = 3 + (n-1)9 

Given the arithmetic sequence
a_n = 5n+21
which equation is equivalent

• a_n = 5n +26
• a_n = 26 +(n-1)5
• a_n = 21(n-1) +5
• a_n = 21 + (n-1)5 

Given the arithmetic sequence
a_n = -6n-9
which equation is equivalent

• a_n = -6n-3
• a_n = -15 - (n-1)(-6)
• a_n = 9(n-1) - 6
• a_n = -3 + (n-1)(-6) 

Given the arithmetic sequence
a_n = 5 + (n-1)6 
which equation is equivalent

• a_n = 6n-5
• a_n = 6n-1
• a_n = 5n +6
• a_n = 6 + 5(n-1) 

Tags

CCSS.HSF.BF.A.2

Given the arithmetic sequence
a_n = 12 + (n-1)3 
which equation is equivalent

• a_n = 3n-12
• a_n = 3n+9
• a_n = 3n +12
• a_n = 3 + 12(n-1) 

Tags

CCSS.HSF.BF.A.2

Given the arithmetic sequence
a_n = 14 + (n-1)9 
which equation is equivalent

• a_n = 9n-5
• a_n = 9n+5
• a_n = 5n +9
• a_n = 9 + 14(n-1) 

Tags

CCSS.HSF.BF.A.2

Given the arithmetic sequence
a_n = -3 + (n-1)4 
which equation is equivalent

• a_n = 4n-3
• a_n = 4n-7
• a_n = -3n +4
• a_n = 4 - 3(n-1) 

Tags

CCSS.HSF.BF.A.2

Given the arithmetic sequence
a_n = -8 - (n-1)2 
which equation is equivalent

• a_n = -2n-10
• a_n = -2n-6
• a_n = -8n -2
• a_n = -2 - 8(n-1) 

Tags

CCSS.HSF.BF.A.2