Say what an irrational number is. Give at least two examples.

all square roots of natural numbers, other than of perfect squares, are irrational.

Step-by-step explanation:

like 3 or 71

5.12369 and square root of 15

Step-by-step explanation: the first number is a non terminating non repeating decimal and the square root of 15 is a non perfect square

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

(-1,-0.5)

step-by-step explanation: