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-19
-19
-19/12
The numbers are: -2 +2*sq rt 19 and -2 -2*sq rt 19 Check: (-2 +2*sq rt 19)*(-2 -2*sq rt 19) = -72 and (-2 +2*sq rt 19)+(-2 -2*sq rt 19) = -4
It is a whole number so it is rational.
19
19.
-4 - 19 = -23
-19
2 minus -19 is 21.
When you subtract a negative number, it has the same effect as adding a positive number. Therefore, in this instance, 16 - (-3) = 16 + 3 = 19.
5-(-19) is the same as 5+19 which is 24.
-19
19
9 - (-10) = 9 + 10 = 19
-19/12
Negative 19 minus 1 equals negative 20