A symmetric number-line interval can be rewritten as a distance condition. We’ll average the two endpoints to find the center, measure from that midpoint to either endpoint for the radius, and use inside versus outside shading to set the comparison direction. Finally, the endpoint markers tell whether equality belongs in the absolute-value statement.
Inside Gozunta
Turn the preview into practice.
More than a preview
Gozunta lets you study this problem—and more than 10,000 others.
Create targeted learning sessions, use hints, check your answer, read the walkthrough, watch the video, print the work, and track your progress.