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Ten questions, one answer each. Mark them yourself — every option explains why.
al-Khwarizmi wrote 'Restoration and Balancing'
Ibn Sina was physician-philosopher, not algebra
Ibn Battuta was a traveller, not a scholar
Ibn Rushd was a philosopher, not algebra
at Baghdad's House of Wisdom
Cairo was not his city
Cordoba was far west of his work
Damascus was not his city
solution steps named after al-Khwarizmi
steps, not a language
a method, not a machine
a solving method, not a physics law
from al-Khwarizmi's book title 'al-jabr'
from Arabic, not Greek
translated into Latin, not from it
from Arabic, not Persian
dropping like terms to simplify the equation
cancelling, not adding
cancelling, not multiplying
balancing, not moving
applied to estates and trade
not maps but inheritance and trade
reckoning, not building
reckoning, not poetry
he wrote it about 820 in the ninth century
1050 is later than his book
622 is the Hijra year, before his book
1200 is centuries later
the value algebra solves for
unknown, not big
an unknown, not zero
an unknown value, not a fraction
the book was rendered into Latin and spread
translation, not wars
translation, not trade
translation, not migration
it systematised equation-solving as a science
not its length but its method
not first numbers but a new science
not oldest but founding
60-second explainer · Glossary
