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the claim
A horizontal line has a slope of zero.
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SUPPORTED
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Recorded sources
6 sources for · 0 against
Is it true that a horizontal line has a slope of zero?
Yes. Multiple algebra references state that a horizontal line has a slope of zero, matching the claim exactly.
Verdict: SUPPORTED · 6 sources for, 0 against · Last checked
Evidence for · 6
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OpenStax Intermediate Algebra 2e: 3.2 Slope of a Line. (n.d.). openstax.org. https://openstax.org/books/intermediate-algebra-2e/pages/f54f6801-0920-459c-af2e-72f85ddda846@
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More for · 5
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OpenStax Intermediate Algebra: 3.2 Slope of a Line. (n.d.). openstax.org. https://openstax.org/books/intermediate-algebra/pages/c7953cb6-51e3-48e7-9969-821f34daec42@
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Down, B. (n.d.). Buckle Down Mississippi SATP Algebra1. archive.org. https://archive.org/details/buckledownmissis0000buck
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Sharpen up on Florida mathematics. Book 8. (2003). archive.org. https://archive.org/details/sharpenuponflori0000unse_q0v0
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Buckle down! : on CAHSEE mathematics. (2005). archive.org. https://archive.org/details/buckledownoncahs0000unse
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Wikibooks: Algebra/Chapter 6/Slope. (n.d.). en.wikibooks.org. https://en.wikibooks.org/wiki/Algebra/Chapter_6/Slope
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