Which expression is a polynomial

Mathematics

1 answer:

patriot [66]3 years ago

8 0

Answer:

$4x^3-2x^2+5x-6+\frac{1}{x}$ is a polynomial

Step-by-step explanation:

a polynomial is a set of numbers with multiple terms that are not simplify able

$9x^7y^{-3} z$ is not a polynomial because its actually one term, there is no addition/subtraction of different terms.

-13 is a single number, so not a polynomial

13x^-2 is also a single number, not a polynomial

You might be interested in

Tell whether the relationship should be represented by a continuous or discrete graph. Explain. the money raised from a raffle w

kvv77 [185]

The graph should be discrete, even though often times you will see it graphed as continuous only because the graphing software used might not have the capability of showing discrete dots rather than continuous lines. Basically you can only sell whole tickets , so that makes the value of x integers .

the fact that y is not an integer is irrelevant.

in fact, y is also restricted in the values it can take.

those values are determined by the factor of 2.50 * x.

when x = 0, y = 0 * 2.50 = 0

when x = 1, y = 1 * 2.50 = 2.50
when x = 2, y = 2 * 2.50 = 5.00
when x = 3, y = 3 * 2.50 = 7.50
when x = 4, y = 4 * 2.50 = 9.00

the values of y can only be multiplies of 2.50.

the equation used is y = 2.50 * x

x is the number of tickets sold.

6 0

3 years ago

Biggest test ive ever had pls help

Aliun [14]

The third equation is the correct one

7 0

3 years ago

Read 2 more answers

Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.

dmitriy555 [2]

see the attached figure to better understand the problem

we have that