An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
16−6=10 This is an equation—two expressions are connected with an equal sign.
2. 4⋅2+1 This is an expression—no equal sign.
3. x÷25 This is an expression—no equal sign.
4. y+8=40 This is an equation—two expressions are connected with an equal sign.
Answer: An equations is a number, a variable, or a combination of numbers and variables and operational symbols. An equation is made up of two expressions connected by an equal sign.
The value of root 3 is a positive real number when it is multiplied by itself; it gives the number 3. It is not a natural number but a fraction. The square root of 3 is denoted by √3.
