Question

. Find the value of - 4x+y2 + 6xy + 8x + 12y - 1, when x = -2, y=-1.
(a) - 23
(b) 23
(C) - 33
(d) 33​

Answer 1

Step-by-step explanation:

we have,

• -4x+2y+6xy+8x+12y-1

on putting the values we have,

• -4 (-2)+2 (-1)+6 (-2)(-1)+8 (-2)+12 (-1)-1
• 8-2+12-16-12-1
• 18-29
• (-11)

so, the correct answer is -11 which was not given in the options