Which elements in the set are integers? –8, 3⁄4, √ 18 , 0, √ 16 , 5, –2⁄7, 6

Step-by-step explanation:

The integers are the set of positive and negative whole numbers.

is an integer because it is a negative whole number.

is not an integer, it is a rational number.

is not an integer because it cannot simplify to a whole number

is an integer because it is a whole number.

is an integer because it simplifies to a whole number.

is an integer because it is a whole number.

is not an integer, it is a rational number.

is an integer because it is a whole number.

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

2,160 π

step-by-step explanation: