11th GradeMenu1The Fundamental Theorem of AlgebraActivity Set 12Product of rational numbersActivity Set 130%Sum of rational numbers Why is the sum of two rational numbers always rational?Watch this video to learn why the sum of two rational numbers are always rational.Video Player is loading.Play VideoPlaySkip backward 10 secondsSkip forward 10 secondsMuteCurrent Time 0:00/Duration 0:00Stream Type LIVESeek to live, currently behind liveLIVERemaining Time -0:00 1xPlayback Rate2x1.5x1.25x1x, selected0.75xDescriptionsdescriptions off, selectedCaptionscaptions and subtitles off, selectedAudio TrackPicture-in-PictureFullscreenThis is a modal window.DoneContinueActivity Set 14Build Pascal's TriangleActivity Set 15Use Pascal's Triangle to Solve Binomial ExpansionsActivity Set 1
Why is the sum of two rational numbers always rational?Watch this video to learn why the sum of two rational numbers are always rational.Video Player is loading.Play VideoPlaySkip backward 10 secondsSkip forward 10 secondsMuteCurrent Time 0:00/Duration 0:00Stream Type LIVESeek to live, currently behind liveLIVERemaining Time -0:00 1xPlayback Rate2x1.5x1.25x1x, selected0.75xDescriptionsdescriptions off, selectedCaptionscaptions and subtitles off, selectedAudio TrackPicture-in-PictureFullscreenThis is a modal window.DoneContinue