You find the x coordinates using x = -b/2a = -6/2(-1) = 3
Substitute 3 in the equation and find y
y = -(3^2) + 6(3) - 12 = -9 + 18 - 12 = -3
Vertex (3,-3)
You have to multiply 3 x 6.
the anwser is
Step-by-step explanation:
the anwser is 5 kg
Answer:
3x+9=180(angles on a line
3x=180-9
3x=171
x=171/3
x=57