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nataly862011 [7]

3 years ago

7

Which of the following is the algebraic expression that best describes the sequence 4, 8, 12, 16, …?

1 answer:

drek231 [11]3 years ago

7 0

4,8,12,16

this is an arithmetic sequence with a common difference of 4. This means u have to add 4 to each term to find the next number

an = a1 + (n - 1) * d
a1 = first term = 4
d = common difference = 4

so ur formula is : an = 4 + (n - 1) * 4 <==

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Tatiana [17]

$\huge\text{Hey there!}$

$\huge\text{4+3 [6z - 5(6 +2z)]}$

$\huge\text{4+(3)(6z)+(3)(-5(6+2z))}\\\\\rightarrow\huge\text{4+18z+(-30z)+(-90)}$

$\huge\text{\bf{Combine the like terms if you have any.}}$

$\huge\text{Like term \#1: 10z \& -30z}\\\\\\\huge\text{Like term \#2: 4 \& -90}$

$\huge\text{18z + (-30z) + (4 + (-90))}$

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$\boxed{\boxed{\huge\text{Answer: -12z + (-86)}}}\huge\checkmark$

$\text{Good luck on your assignment and enjoy your day!}$

~ $\frak{LoveYourselfFirst:)}$

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3 years ago

Read 2 more answers