Number Line Problem: Find the Value at the Red Point in -5 to 15 Sequence

What number appears at the point marked in red?

-5-5-5333777111111151515

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1

Understand the problem

What number appears at the point marked in red?

-5-5-5333777111111151515

2

Step-by-step solution

Let's pay attention to the numbers on the axis from left to right:

3,7,11,15 3,7,11,15

We'll try to find the common denominator.

Note that if we use the operation +4, we'll reach the sequence of numbers:

3+4=7 3+4=7

7+4=11 7+4=11

11+4=15 11+4=15

Therefore, the red point will be the next exercise:

−5+4=−1 -5+4=-1

3

Final Answer

1-

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All negative numbers appear on the number line to the left of the number 0.

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