To find the vertex use -b/2a (for the x value which is also the axis of symmetry)
So 2/-2 = -1 Therefore the axis of symmetry is x=-1 Plug in for the y value:
y= -(-1)^2 -2(-1) + 1 y=-1 + 2 + 1 y=2 Vertex (-1,2)
Answer:
Step-by-step explanation:
產品 1 14 20 13
產品 2 15 11 18
產品 3 12 15 16
Answer:
111
Step-by-step explanation:
Answer:
12⁽¹⁸⁾
Step-by-step explanation:
The expression is given as ;
12³ × 12⁹× 12⁴× 12² -----same base, add the powers according to law of indices
12⁽³⁺⁹⁺⁴⁺²⁾
12⁽¹⁸⁾
Answer:
D
Step-by-step explanation:
6i = 3/5i
8j = 4/5j
3/5i + 4/5j
