2
Explanation:Given:
-4x - y + 4
when x = -1/4, y = 3
To get the solution, we replace x with -1/4 and y with 3 in the eexpression given.
-4(-1/4) - (3) + 4
Multiplication of same sign gives positive number. Multiplication of opposite signs give negative number.
= 1 - 3 + 4
= 2
