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)

7 0

3 years ago

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16 - 2z-4/3 when z=18

Colt1911 [192]

Answer:

z= -3

Step-by-step explanation

5 0

3 years ago

Which of the following is(are) the solution(s) to 16x-51- 7?

nexus9112 [7]

X= -2 because I love school soooo much

5 0

2 years ago

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Are 12:14 and 60:70 equivalent ratios?<br><br> yes<br> no

NNADVOKAT [17]

Answer:

Yes, they are equalent

Step-by-step explanation:

12:14 = 6:7

60:70 =6:7

both can be simplified to 6:7

5 0

3 years ago