Answer:
ᴀ ᴠᴀʀɪᴀʙʟᴇ ɪꜱ ᴀ qᴜᴀɴᴛɪᴛy ᴛʜᴀᴛ ᴍᴀy ᴄʜᴀɴɢᴇ ᴡɪᴛʜɪɴ ᴛʜᴇ ᴄᴏɴᴛᴇxᴛ ᴏꜰ ᴀ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄᴀʟ ᴩʀᴏʙʟᴇᴍ ᴏʀ ᴇxᴩᴇʀɪᴍᴇɴᴛ. ᴛyᴩɪᴄᴀʟʟy, ᴡᴇ ᴜꜱᴇ ᴀ ꜱɪɴɢʟᴇ ʟᴇᴛᴛᴇʀ ᴛᴏ ʀᴇᴩʀᴇꜱᴇɴᴛ ᴀ ᴠᴀʀɪᴀʙʟᴇ. ᴛʜᴇ ʟᴇᴛᴛᴇʀꜱ x, y, ᴀɴᴅ ᴢ ᴀʀᴇ ᴄᴏᴍᴍᴏɴ ɢᴇɴᴇʀɪᴄ ꜱyᴍʙᴏʟꜱ ᴜꜱᴇᴅ ꜰᴏʀ ᴠᴀʀɪᴀʙʟᴇꜱ.
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.
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Answers & Comments
Answer:
ᴀ ᴠᴀʀɪᴀʙʟᴇ ɪꜱ ᴀ qᴜᴀɴᴛɪᴛy ᴛʜᴀᴛ ᴍᴀy ᴄʜᴀɴɢᴇ ᴡɪᴛʜɪɴ ᴛʜᴇ ᴄᴏɴᴛᴇxᴛ ᴏꜰ ᴀ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄᴀʟ ᴩʀᴏʙʟᴇᴍ ᴏʀ ᴇxᴩᴇʀɪᴍᴇɴᴛ. ᴛyᴩɪᴄᴀʟʟy, ᴡᴇ ᴜꜱᴇ ᴀ ꜱɪɴɢʟᴇ ʟᴇᴛᴛᴇʀ ᴛᴏ ʀᴇᴩʀᴇꜱᴇɴᴛ ᴀ ᴠᴀʀɪᴀʙʟᴇ. ᴛʜᴇ ʟᴇᴛᴛᴇʀꜱ x, y, ᴀɴᴅ ᴢ ᴀʀᴇ ᴄᴏᴍᴍᴏɴ ɢᴇɴᴇʀɪᴄ ꜱyᴍʙᴏʟꜱ ᴜꜱᴇᴅ ꜰᴏʀ ᴠᴀʀɪᴀʙʟᴇꜱ.
Answer:
A variable is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent a variable. The letters x, y, and z are common generic symbols used for variables.