Understanding the Quadratic Formula

In this video, a teacher at Rapo Public School shares a method to memorize the quadratic formula using a song. The teacher explains how singing the formula to the tune of 'Pop Goes the Weasel' significantly improved students' memorization rates. The video includes a demonstration of the song and emphasizes the importance of knowing the formula for high school and college entrance exams. The teacher concludes with encouragement and gratitude, highlighting the effectiveness of this mnemonic device.

What time of day is it when the teacher starts the video?

• Midnight

• Morning

• Afternoon

• Evening

What was the teacher's initial success rate with students memorizing the quadratic formula before using the song?

• 75%

• 50%

• 25%

• 100%

To which tune is the quadratic formula sung?

• Row Row Row Your Boat

• Mary Had a Little Lamb

• Pop Goes the Weasel

• Twinkle Twinkle Little Star

What is the first part of the quadratic formula as sung by the teacher?

• x = B plus or minus

• x = A plus or minus

• x = C plus or minus

• x = D plus or minus

What is the expression under the square root in the quadratic formula?

• b^2 - 4ac

• b^2 * 4ac

• b^2 / 4ac

• b^2 + 4ac

What is the denominator in the quadratic formula?

• a

• 2b

• 4a

• 2a

What does the teacher suggest students might do during exams?

• Write down the formula

• Hum the song

• Ask for help

• Skip the question

Where did the teacher get the idea for the quadratic formula song?

• A student

• A teacher in Lincoln

• A music teacher

• A math textbook