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My name is Ann [436]
3 years ago
14

Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following

Mathematics
1 answer:
vivado [14]2 years ago
3 0

Answer:  (-0.4, 6.8)

The graph is attached

Step-by-step explanation:

We can find the axis of symmetry using the formula x = -b/2a

x = - -4/2(-5)

x = 4/-10

x = 0.04

Substitute for x and calculate y

y = \left(0.4^{2}\right)\left(-5\right)-4\left(-0.4\right)\ +6

y = 6.8

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