Questions and Answers
𝙄𝙛 𝙩𝙬𝙤 𝙢𝙖𝙩𝙧𝙞𝙘𝙚𝙨 𝘼 𝙖𝙣𝙙 𝘽 𝙖𝙧𝙚 𝙖𝙙𝙙𝙚𝙙 𝙧𝙚𝙨𝙪𝙡𝙩𝙞𝙣𝙜 𝙞𝙣 𝙖 𝙣𝙪𝙡𝙡 𝙢𝙖𝙩𝙧𝙞𝙭, 𝙬𝙝𝙞𝙘𝙝 𝙤𝙛 𝙩𝙝𝙚 𝙛𝙤𝙡𝙡𝙤𝙬𝙞𝙣𝙜 𝙨𝙩𝙖𝙩𝙚𝙢𝙚𝙣𝙩𝙨 𝙞𝙨 𝙩𝙧𝙪𝙚?
( A ) is the additive inverse of ( B ).
𝙒𝙝𝙖𝙩 𝙞𝙨 𝙖 𝙨𝙦𝙪𝙖𝙧𝙚 𝙢𝙖𝙩𝙧𝙞𝙭?
A square matrix is a matrix where the number of rows equals the number of columns.
𝙒𝙝𝙞𝙘𝙝 𝙤𝙛 𝙩𝙝𝙚 𝙛𝙤𝙡𝙡𝙤𝙬𝙞𝙣𝙜 𝙞𝙨 𝙖 𝙢𝙖𝙟𝙤𝙧 𝙧𝙚𝙦𝙪𝙞𝙧𝙚𝙢𝙚𝙣𝙩 𝙛𝙤𝙧 𝙢𝙖𝙩𝙧𝙞𝙭 𝙢𝙪𝙡𝙩𝙞𝙥𝙡𝙞𝙘𝙖𝙩𝙞𝙤𝙣?
the number of columns in the first matrix must be equal to the number of rows in the second matrix
