Y = x
when x < -1
not equal to (≤) so no solid circle.
plot points
x | y
-1, -1
-2, -2
-3, -3
Next one is...
y = -x
when x ≥ -1
solid circle for equal to
look at points
x | y
-1, 1
0, 0
1, -1
2, -2
As you can see it's the last graph in bottom right corner.
Answer:
77%
Step-by-step explanation:
(-2,6) this is the coordinates of the vertex
Answer:
4
Step-by-step explanation:
Equate Box A = Box B
8y + 1 = 6y + 9
2y = 8
y = 8/2
= 4