Algebra- Linear Equations
7, 57, 507, 4557, etc. is a number sequence.
What is the rule of this sequence? What number is the third term?
Display your answer the following way:
If the rule of the sequence is add 2, then takeaway 7, and if the third term in 48, you will display the answer as +2, -7, 48. (add, two, comma, space, minus, seven, comma, space, 48)
Operations: Add: +, Takeaway: -, Multiply: *, Divide: /
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1 solution
You already gave the third term as 507. So 2 options are eliminated. moreover if you look at the options, x 9, - 6 clearly satisfies the sequence.