3 years ago

Help me please if i get less than an 80 i will not be able to do anything and will get grounded

Mathematics

1 answer:

Arisa [49]3 years ago

8 0

Answer:

umm help with what

Step-by-step explanation:

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What is the vertex of the graph of y = x2 + 4x? (–2, –12) (–2, –8) (–2, –6) (–2, –4)

SCORPION-xisa [38]

Answer: The vertex of the parabola (quadratic function) is (-2,-4)

Fourth option: (-2,-4)

Solution:

y=x^2+4x

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Vertex: V=(h,k)

h=-b/(2a)

h=-4/(2(1))

h=-4/2

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k=y=h^2+4h

k=(-2)^2+4(-2)

k=4-8

k=-4

Vertex: V=(h,k)

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3 years ago

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A slope is a surface of which one end or side is at a higher level than another

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3 years ago

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3 years ago

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