Negative B, negative B, plus or minus the square root, plus or minus the square root, of B squared minus 4 A C, B squared minus 4 A C, all over 2 A, all over 2 A.

Mnemonic Device

(sung to the tune of Frere Jacques)

• Negative B, negative B,
• plus or minus the square root, plus or minus the square root,
• of B squared minus 4 A C, B squared minus 4 A C,
• all over 2 A, all over 2 A.

Explanation

to remember the quadratic formula