Answer:
coefficent matrix
Step-by-step explanation:
P. 366
"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"
-1 -3 -1
9 -9 -1
-1 -3 4
Answer:
79/8
Step-by-step explanation:
19 3/4 = 79/4
79/4 / 2 is same as 79/4 * 1/2
79/8
Answer: 79/8
Answer:
3
Step-by-step explanation:
3 is the complete oposite of -1/3 in terms of slopes, therefore they are perpendicular to each other.
Answer:
<h2>(0, -2)</h2>
Step-by-step explanation:
A(x, y)
rotated 180°: A'(-x, -y)
translated n units:
left (x - n, y)
right (x + n, y)
up (x, y + n)
down (x, y - n)
We have R(-3, 2)
rotated 180°: (-(-3), -2) = (3, -2)
translated 3 units left: (3 - 3, -2) = (0, -2)
You subtract and find x=10
