-3|x|=9, what is x? I wrote that x = -3, but I guess that's wrong?

It is correct

Step-by-step explanation:

It is correct since the product of 2 negatives is always a positive:

Also since it is the same number being multiplied the answer is a square number:

that is why the square root of anything is known as ±.

Since there are 2 solutions, this also explains why there are 2 solutions in a quadratic equation.

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

mark brainliest!