What set or sets does negative squareroot of 20 belong to? is it a real number, rational, integer, whole number, irrational, or natural?​

Real number and Irrational number

Step-by-step explanation:

Given

Required

The set it belongs to

First, solve the expression

The above number is not an integer and it is not whole or natural because it has decimal points

It is not a rational number because it cannot be expressed as a simple fraction

However, the number can be categorized as either irrational or real because of the level of the decimal point in the result

i think 1: 2

step-by-step explanation:

(- 1, 0 )

step-by-step explanation:

an x- intercept is where the function crosses the x- axis.

to find the x- intercept/s look for the value of x when f(x) = 0

from the given table there are 3 values of x where f(x) = 0

when x = - 1, x = 2, x = 3

the one that is listed is (- 1, 0 )