To multiply the mixed number -1 1/6 by 7, first convert the mixed number to an improper fraction.
-1 can be written as -6/6.
So, the mixed number -1 1/6 can be rewritten as -6/6 + 1/6 = -7/6.
Now, multiply -7/6 by 7:
-7/6 * 7 = -49/6.
To write the answer as a mixed number, divide the numerator (-49) by the denominator (6):
-49 ÷ 6 = -8 with a remainder of -1.
The quotient (-8) becomes the whole number, and the remainder (-1) becomes the numerator of the fractional part.
So, the answer is -8 1/6.