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romanna [79]
2 years ago
12

State the vertex and axis of symmetry of the graph of y=ax2+c.

Mathematics
2 answers:
const2013 [10]2 years ago
6 0

in vertex form

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

the vertex is (h,k) and the axis of symmetry is x=h


put into vertex form

y=ax^2+c

y=a(x)^2+c

y=a(x-0)^2+c

h=0, k=c

the vertex is (0,c)

the axis of symmetry is x=0

Neporo4naja [7]2 years ago
3 0

State the vertex and axis of symmetry of the graph of y=ax^2+c

General form of quadratic equation is y=ax^2 + bx +c

There is no bx in our given equation, so we put 0x

Given equation can be written as y=ax^2 + 0x +c

a=a , b=0

Now we use formula to find vertex

x=\frac{-b}{2a}

x=\frac{-0}{2a}=0

Now we plug in 0 for 'a' and find out y

y=a(0)^2 + 0x +c= c

So our vertex is (0,c)

The axis of symmetry at x coordinate of vertex

So x=0 is our axis of symmetry


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7-2( \frac{8}{2} )+9 =

Remove parentheses:

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7 - 2 * 4 + 9 =

7 - 8 + 9 =

= -1 + 9

= 8

hope this helps!



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How do I algebraically solve |4x-3|=5√(x+4)
Zepler [3.9K]

Answer:

Step-by-step explanation:

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                         ⇔16x²-24x+9 = 25x +100  and x+4 ≥ 0

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Δ = (-49)²-4(16)(-91) = 8225

two solution : X1 = (49-√8225)/32  ≅ - 1.3 accept (-1.3+4 ≥ 0)

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3 0
3 years ago
Find the volume of a pyramid with a square base, where the perimeter of the base is 13.4 in and the height of the pyramid is 7.6
VashaNatasha [74]

Answer:

28.4in³

Step-by-step explanation:

Volume of the square based pyramid = L²H/3 where;

L is the length of a side of the square base

H is the height of the prism

Given

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Height of the pyramid = 7.6in

First we need to get the length of the square base

Perimeter of a square = 4L

13.4 = 4L

L = 13.4/4

L = 3.35 in

Next is to find the required volume of the pyramid

V = L²H/3

V =  3.35²(7.6)/3

V = 85.291/3

V =  28.4 in³

Hence the volume of the pyramid to nearest tenth is 28.4in³

7 0
3 years ago
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Answer:

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Step-by-step explanation:

calculate the product

4x x170 +170=

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