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Katarina [22]
3 years ago
12

NEED HELP ASAP! 25 POINTS! Find the equation, in vertex form, for a parabola with a vertex of (2,-5) that goes through the point

(3,4). (Answers in picture)
Mathematics
1 answer:
Gre4nikov [31]3 years ago
6 0
Standard form of the parabola function: (y-k) = a(x-h)²

vertex (h,k)==> vertex (2,-5) [given]. Now plug==> y+5 =a(x-2)²

To calculate a, plug in the equation the coordinates of A(3,4)

4+5 = a(3-2)² ==> 9=a

Finally the equation is f(x) = y+5 = 9(x-2) or y = 9(x-2)² -5

Or f(x) =y = 9x² - 36x + 3
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Consider the following functions.G(x) = 4x2; f(x) = 8x(a)
noname [10]

Answer:

(a) B. G(x) is an antiderivative of f(x) because G'(x) = f(x) for all x.

(b) Every function of the form 4x^2+C is an antiderivative of 8x

Step-by-step explanation:

A function <em>F </em>is an antiderivative of the function <em>f</em> if

F'(x)=f(x)

for all x in the domain of <em>f.</em>

(a) If f(x) = 8x, then G(x)=4x^2 is an antiderivative of <em>f </em>because

G'(x)=8x=f(x)

Therefore, G(x) is an antiderivative of f(x) because G'(x) = f(x) for all x.

Let F be an antiderivative of f. Then, for each constant C, the function F(x) + C is also an antiderivative of <em>f</em>.

(b) Because

\frac{d}{dx}(4x^2)=8x

then G(x)=4x^2 is an antiderivative of f(x) = 8x. Therefore, every antiderivative of 8x is of the form 4x^2+C for some constant C, and every function of the form 4x^2+C is an antiderivative of 8x.

8 0
3 years ago
Standard form for64x10 forth power
laila [671]
Standard form essentially means to not have any symbols such as "x","÷", or "power".

The equation would be written as:

(64 x 10) ^4
Then
(640) ^ 4

Which equals: <span>167772160000</span>

5 0
3 years ago
Read 2 more answers
Use the following for long division x^2+3x+1sqrt 3x^4+7x^3+2x^2+13x+5
goldenfox [79]
In plain text, it is appropriate to express the division using a division bar (/) and parentheses around the numerator and denominator:
  (3x^4 +7x^3 +2x^2 +13x +5)/(x^2 +3x +1)

It is best to reserve the square root symbol (√) for an actual square root.

Your quotient is
  3x^2 -2x +5

8 0
3 years ago
Two similar pyramids have lateral areas 8ft^2 and 18 ft^2. the volume of the large pyramid is 108 ft^2. find the volume of the s
ddd [48]
I assume the volume of the larger pyramid is 108 ft^3, not 108 ft^2.

The scale factor of edges of two solids is x.
The scale factor of their areas is x^2.
The scale factor of their volumes is x^3

The areas have a scale factor of 18/8 = 2.25

The length have a scale factor of sqrt(2.25) = 1.5

The volumes have a scale factor of 3.375

108/3.375 = 32

Answer: 32 ft^3
4 0
3 years ago
What’s the correct answer for this?
Anna [14]

Same slopes, different constant, so parallel lines.

Answer: ... parallel because their slopes are equal.  Last choice.

3 0
3 years ago
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