Step-by-step explanation:
16x2 + 4y2 + 9z2 – 16xy + 12yz – 24zx
(-4x)²+(2y)²+(3z)²+2(-4x)(2y)+2(2y)(3z)+2(-4x)(3z)
So,
(-4x+2y+3z)²
or
(-4x+2y+3z).(-4x+2y+3z)
Answer:
5 5/6
Step-by-step explanation:
Its the first one, which is AB=BC
Answer:
C. Zero
Step-by-step explanation:
The solution of the system of equations would be the point where they intersect, but since these lines are parallel, they will never intersect, so therefore there are zero solutions.
