The origin is basically the point (0, 0). So, using that coordinate and (-15, 8), substitute the values in the distance formula.
Distance = √(x2 - x1)² + (y2 - y1)²
= √(-15 - 0)² + (8 - 0)²
= √(-15)² + (8)²
= √225 + 64
= √289
= 17
Solution: 17
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▹ Answer
<em>x = 3</em>
▹ Step-by-Step Explanation

Hope this helps!
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Answer:
Step-by-step explanation:
This is the equation of a circle with center at (-4, 6) and radius 4√3.