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alina1380 [7]
2 years ago
9

Identify the vertex and the axis of symmetry of the graph of the function y = 2(x+2)2 - 4

Mathematics
2 answers:
Mekhanik [1.2K]2 years ago
7 0

Answer:

Part 1) The vertex is the point (-2,-4)

Part 2) The axis of symmetry is equal to x=-2

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

The axis of symmetry of a vertical parabola is equal to

x=h ----> the x-coordinate of the vertex

In this problem we have

y=2(x+2)^{2}-4

The vertex is the point (-2,-4)

The axis of symmetry is equal to the coordinate of the vertex

so

x=-2

see the attached figure to better understand the problem

Rashid [163]2 years ago
3 0
(-2, -4) Would be your answer written in standard form.

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A)20% because we added water not alcohol

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D) 85% is your answer

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hope this helps
7 0
2 years ago
X+3y=28 when x =28 find the value for y plz help
Lisa [10]

Answer:

y = 0

Step-by-step explanation:

Plug in 28 for x. Solve for the equation:

x + 3y = 28

(28) + 3y = 28

Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 28 from both sides:

28 (-28) + 3y = 28 (-28)

3y = 0

Isolate the variable, y. Divide 3 from both sides:

(3y)/3 = (0)/3

y = 0

y = 0 is your answer.

~

4 0
3 years ago
Factor completely 2x2 - 18.<br><br> Prime<br> 2(x2 - 9)<br> 2(x + 3)(x - 3)<br> 2(x + 3)(x + 3)
zhenek [66]
2 x^{2}  - 18= 2( x^{2} - 9)= 2(x + 3)(x - 3)
7 0
3 years ago
Read 2 more answers
Can i get the answer
fomenos

Answer:

X = 13/3

Step-by-step explanation:

24x - 6 = 9x + 38+21

24x - 9x= 38 + 21 + 6

15x = 65

X = 65/15 = 13/3

X = 13/3

3 0
2 years ago
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