Expression, Equations, and Inequalities

What is the variable or variables in the following inequality? 4x+4>12

• 4

• 12

• x

• 8

What is the variable or variables in the following equation? 3y+7=21

• 3

• 7

• y

• 21

Solve the following expression 7x+3x+10-3

• 10x+7

• 10x-7

• 4x+7

• 4x-7

Solve the following equation 6x+3=9

• x=6

• x=1

• x=9

• x=-1

Solve the following inequality 5y+7>22

• y<5

• y>7

• y>22

• y>3

Define the term 'coefficient' in the context of an algebraic expression.

• The process of finding the value of a variable in an equation

• The result of adding two or more numbers together

• A numerical or constant factor in an algebraic term

• A letter used to represent a number in an algebraic expression

Explain the meaning of the term 'variable' in the context of algebraic expressions.

• A constant number in an equation

• A fixed value that does not change

• A type of mathematical operation

• A symbol that represents a quantity that can change or vary

Define the term 'solution' in the context of an equation or inequality.

• A value that has no effect on the equation or inequality

• A value that makes the equation or inequality false

• A value that makes the equation or inequality true

• A value that is only applicable to inequalities, not equations

What is the meaning of the term 'like terms' in algebraic expressions?

• Terms with different variables raised to different powers

• Terms with opposite signs

• Terms with different coefficients

• Terms with the same variables raised to the same powers

What is the significance of the term 'inequality' in mathematics?

• It is used to represent equal values

• It is used to calculate the average of two values

• It is used to compare the size of two values.

• It is used to measure the distance between two values