Answer:
AB =
Each column of AB is written as a linear combination of columns of Matrix A in the explanation below.
Step-by-step explanation:
A =
B=
We need to write each column of AB as a linear combination of the columns of A so we will multiply each column of A with each column element of B to get the column of AB. So,
AB Column 1 = 2 * + 1 + (-1) =
AB Column 2 = (-1) + 2 + (-2) =
AB Column 3 = (0) + (1) + 4 =
Finally, we can combine all three columns of AB to form the 3x3 matrix AB.
AB =
Dont understand can u use a pic
Greater than because they are negative
n - 8 < -8
< is similar to = in this case
n < -8 + 8
n < 3
The answer would be bubble #3.
Answer:
C
Step-by-step explanation:
x+4y=-12
x+7y=-15
subtract
-3y=3
y=-1
x+4(-1)=-12
x=-12+4=-8
so point is (-8,-1)