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17) y=-2(x-3)^2+8

Vertex: ____
Y-intercept(plug-in 0): ____

18) y=4x^2-8x-5
a=__ b=__ c=__

1. Circle: Graph upwards/downwards

2.Vertical Axis of Symmetry
X=-b/2a
X=__

3.Vertx (plug in axis of symmetry):

4. Y-intercept (plug in 0):(0,_)

5. X-intercepts (Solve by any method):

X=__,__

6.Graph the equation below:

17) y=-2(x-3)^2+8 Vertex: ____ Y-intercept(plug-in 0): ____ 18) y=4x^2-8x-5 a=__ b-example-1

1 Answer

7 votes

Answer:

17. vertex (3,8)

y intercepts = -10

18. a=4,b=-8,C=-5

1. graph downwards

2.x=1

3.vertex(1,-9)

4.y intercept = -5

5.x = -1/2 or X = 5/2

User Vuk
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