Solving Equations with Negative Numbers

This video tutorial covers unit six, lesson nine, focusing on solving equations with negative numbers. It begins with an introduction to negative numbers and a warm-up question to identify which equation doesn't belong. The lesson progresses to solving equations using various methods, including hanger and tape diagrams, and emphasizes maintaining balance in equations. Advanced techniques like the distributive property are also discussed. The tutorial concludes with a summary of key rules for handling negative numbers in equations.

What is the main focus of unit six lesson nine?

• Learning about tape diagrams

• Understanding hanger diagrams

• Dealing with negative numbers in equations

• Solving equations with positive numbers

Which strategy is used to keep equations balanced when solving for X?

• Adding the same number to both sides

• Multiplying only one side

• Ignoring negative numbers

• Using only positive numbers

How can you solve the equation 2x - 3 = -23?

• Add 3 to both sides

• Subtract 3 from both sides

• Multiply both sides by 2

• Divide both sides by 3

What is the result of multiplying two negative numbers?

• A negative number

• A positive number

• Zero

• An undefined number

What property allows you to switch the order of multiplication in an equation?

• Associative Property

• Identity Property

• Commutative Property

• Distributive Property

What is the first step in solving the equation -5 = x?

• Multiply both sides by -1

• Add 5 to both sides

• Divide both sides by 5

• Subtract 5 from both sides

What should you remember when dealing with negative numbers in multiplication?

• Negative times positive is zero

• Negative times negative is negative

• Negative times negative is positive

• Negative times positive is positive

What happens when you add two numbers with the same sign?

• You subtract the numbers

• You add the numbers and keep the sign

• You multiply the numbers

• You divide the numbers

What is the result of subtracting a negative number?

• It becomes a positive addition

• It remains a negative subtraction

• It becomes a negative addition

• It becomes zero

What is the key to solving equations with negative numbers?

• Multiplying by zero

• Applying the same operation to both sides

• Using only positive numbers

• Ignoring the negative signs