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Kryger [21]
3 years ago
14

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?<br> (–2, –12)<br> (–2, –8)<br> (–2, –6)<br> (–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

y=ax^2+bx+c; a=1, b=4, c=0

Vertex: V=(h,k)

h=-b/(2a)

h=-4/(2(1))

h=-4/2

h=-2

y=x^2+4x

k=y=h^2+4h

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

k=4-8

k=-4

Vertex: V=(h,k)

Vertex: V=( -2, -4)



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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

Step-by-step explanation:

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3 years ago
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3 years ago
Is x = 3 a solution to the equation x + 7 = 11?
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Thus first option is the correct answer.

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3 years ago
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