Understanding Order of Operations and Solving Equations

The video tutorial explains the order of operations using PEMDAS and introduces the reverse method, SADMAP, for solving equations. It demonstrates solving an equation step-by-step using SADMAP, focusing on subtraction, addition, division, and multiplication. The tutorial also revisits the problem with a different approach to ensure understanding.

What does PEMDAS stand for in the order of operations?

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Division, Multiplication, Addition, Subtraction

• Parentheses, Multiplication, Exponents, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Addition, Division, Subtraction

What is the reverse of PEMDAS used in the video?

• SADMAP

• MAPSAD

• DASMAP

• PASDAM

In the SADMAP method, which operation should be addressed first?

• Addition

• Division

• Subtraction

• Multiplication

What is the opposite operation of subtraction used to solve the equation?

• Addition

• Exponentiation

• Division

• Multiplication

How is division addressed in the equation using SADMAP?

• By dividing again

• By multiplying

• By subtracting

• By adding

What is the result of multiplying both sides of the equation by 9?

• U is 8

• U is 0

• U is 72

• U is 9

When reworking the equation with a positive 4, what is the new equation?

• u divided by 9 minus 4 equals 4

• u divided by 9 plus 4 equals 0

• u divided by 9 plus 4 equals 8

• u divided by 9 minus 4 equals 0

What is the final value of U after solving the equation with a positive 4?

• 9

• 0

• 8

• 72

What is the key principle to remember when solving equations?

• Always add to both sides

• Only multiply one side

• Whatever you do to one side, do to the other

• Always subtract from both sides

What is the final step in solving the equation?

• Multiplying both sides by 9

• Adding 9 to both sides

• Dividing both sides by 9

• Subtracting 9 from both sides