18.6÷214

A polynomial is a combination of terms separated using + or – signs. Polynomials cannot contain any of the following:

1. Variables raised to a negative or fractional exponent. (2x-2,x12,…).

2. Variables in the denominator. (1x,1×2,…).

3. Variables under a radical. (x,x3,…).

4. Special features. (trig functions, absolute values, logarithms, …).

A mixed number is an addition of its whole and fractional parts.

18.62+14

Simplify the denominator.

To write 2 as a fraction with a common denominator, multiply by 44.

18.62⋅44+14

Combine 2 and 44.

18.62⋅44+14

Combine the numerators over the common denominator.

18.62⋅4+14

Simplify the numerator.

Multiply 2 by 4.

18.68+14

Add 8 and 1.

18.694

18.694

18.694

Multiply the numerator by the reciprocal of the denominator.

18.6(49)

Cancel the common factor of 9.

Factor 9 out of 18.6.

9(2.06‾)49

Cancel the common factor.

9⋅2.06‾49

Rewrite the expression.

2.06‾⋅4

2.06‾⋅4

Multiply 2.06‾ by 4.

8.26‾

8.26‾

Determine if the expression breaks any of the rules.

Does not break any of the rules

Determine if the expression is a polynomial.

Polynomial

Determine if a Polynomial 18.60÷2 1/4