Answer:
perp.: -1/3
y + 1 = -1/3(x - 4)
y + 3/3 = -1/3x + 4/3
y = -1/3x + 1/3
Step-by-step explanation:
Answer:
Because depends on what you are going to work as you are most likely gonna use it
Step-by-step explanation:
Answer:
a = 14
Step-by-step explanation:
3a = a + 28 ➡ 2a = 28 ➡ a = 14
Answer:
Step-by-step explanation:
10(5)=50
Answer:
-56
Step-by-step explanation:
Formula to get determinant is::
![\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad-bc](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%26b%5C%5Cc%26d%5Cend%7Barray%7D%5Cright%5D%20%3D%20ad-bc)
0(0)-8(7)
0 - 56
-56