Solving Simple Equations (Using Inverse Operations)

The video tutorial covers solving simple equations using addition, subtraction, multiplication, and division. It introduces key vocabulary such as variables, equations, and inverse operations. The tutorial explains the properties of equality and demonstrates solving equations with examples, including those involving the constant Pi. It emphasizes checking solutions and understanding the order of operations.

What is a variable in the context of equations?

• A fixed number

• A symbol representing one or more numbers

• An operation

• A solution to an equation

Which property of equality involves adding the same number to both sides of an equation?

• Division Property of Equality

• Addition Property of Equality

• Multiplication Property of Equality

• Subtraction Property of Equality

What is the result of adding a zero pair to a number?

• The number increases

• The number decreases

• The number remains unchanged

• The number becomes zero

How is π different from a variable?

• π is a variable

• π is an operation

• π is a constant with a known value

• π can represent any number

What is the inverse operation of multiplication?

• Subtraction

• Division

• Addition

• Exponentiation

What is the reciprocal of a fraction?

• The fraction itself

• The fraction with its numerator and denominator swapped

• The negative of the fraction

• The fraction multiplied by zero

When solving the equation 2X = 8, what operation should be used?

• Addition

• Subtraction

• Multiplication

• Division

What is the solution to the equation X / 3 = 4?

• X = 12

• X = 7

• X = 4

• X = 1

What is the first step in solving the equation y / 4 = -7?

• Add 4 to both sides

• Subtract 4 from both sides

• Multiply both sides by 4

• Divide both sides by 4

What is the solution to the equation K + 20 = -5?

• K = -15

• K = -25

• K = 15

• K = 25