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luda_lava [24]
3 years ago
8

What is the equation of the following graph in vertex form?

Mathematics
2 answers:
Elza [17]3 years ago
6 0
\bf \boxed{y=(x-{{ h}})^2+{{ k}}}\\\\
x=(y-{{ k}})^2+{{ h}}\qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-----------------------------\\\\
\textit{vertex is at 4,-4}\implies 
\begin{cases}
h=4\\
k=-4
\end{cases}\implies y=(x-4)^2+(-4)
\\\\\\
\boxed{y=(x-4)^2-4}
nalin [4]3 years ago
3 0
For
y=a(x-h)²+k
vertex is (h,k)

so

the vertex is (4,-4)
so
y=a(x-4)²-4
find a
we see the point
(0,12)
sub 0 for x and 12 for y and solve for a
12=a(0-4)²-4
12=a(-4)²-4
12=16a-4
add 4 both sides
16=16a
1=a


equation is
y=1(x-4)²-4 or
y=(x-4)²-4

A is answer
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3 years ago
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iogann1982 [59]
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3 0
3 years ago
Which expression is equal to 5^4 x 5^8 ? <br><br> A: 5^12<br> B: 5^4<br> C: 5^2<br> D: 5^−4
galben [10]

Something to remember is how to multiply terms with same bases, but different exponents:

a^b \cdot a^c = a^{(b+c)}


Essentially, we add the exponents.


Using the information above, we can find our answer:

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Our answer is \boxed{5^{12}}, or A.

6 0
3 years ago
Read 2 more answers
Factorise 2-y(7-5y) please
hjlf
Answer:
(y - 1)(5y - 2)

Solution:

Factor:
2 - y(7 - 5y)

Apply the Distributive Property:
2 - 7y + 5y²

Reorder the expression:
5y² - 7y + 2

Rewrite the term:
5y² - 5y - 2y + 2

Regroup terms into two proportional parts:
(5y² - 5y) + ( -2y + 2)

Factor Greatest Common Factors out:
5y(y - 1) - 2(y - 1)
(y - 1)(5y - 2)
5 0
2 years ago
The perimeter of the base of a right square pyramid is 48 cm. The height of the pyramid is 12 cm. What is the volume of the pyra
devlian [24]
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2 years ago
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