Answer:
1. Equation
2. Expression
3. Equation
4. Equation
Step-by-step explanation:
To decide whether the given problems are an equation or an expression.
An equation is of the form:
LHS (Left Hand Side) expression = RHS(Right Hand Side) expression
Let us have a look at each problem one by one:
1. A number decreased by 3 is 7.
Let the number be
As per the given statement:
Therefore, is an equation.
2. 9+n the product of a number and eleven.
Let the number be
As per the given statement:
No equal to sign, so it is an expression.
3. The quotient of a number and 6 is 2.
Let the number be
As per the given statement:
Therefore, it is an equation.
4.
Therefore, it is an equation.