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Alexandra [31]
3 years ago
6

Answer Choices

Mathematics
1 answer:
sasho [114]3 years ago
4 0

Answer:

c) only Anne

Step-by-step explanation:

I just did the test. Hope this helps! : )

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Write this function in vertex form, and Identify its vertex x^2-4x-17
Umnica [9.8K]
X^2-4x-17 is the same as 1x^2 + (-4)x + (-17)

It is in the form y = ax^2 + bx + c where

a = 1
b = -4
c = -17

To find the value of h, we use this formula
h = -b/(2a)
h = -(-4)/(2*(1))
h = 4/2
h = 2

Plug this back into the original function to find k
k = x^2-4x-17
k = (2)^2-4(2)-17
k = 4-8-17
k = -4-17
k = -21

So we know that a = 1, h = 2 and k = -21 making
y = a(x-h)^2 + k
turn into
y = 1(x-2)^2 - 21
which is now in vertex form. The vertex is (h,k) = (2,-21)
4 0
3 years ago
P and q are two arithmetic sequences. The first four terms of sequence P are 2,6,10,14. The nth term of sequence Q is 145-3n. Th
Tomtit [17]

Answer:

r = 21

Step-by-step explanation:

nth of sequence P :

T_{n} = 4n -2

r^{th} term : 4r-2=145-3r\\4r+3r=145+2\\7r=147\\r=21

5 0
2 years ago
Will give brainliest, if its correct
Paul [167]

Answer:

C) -1

Step-by-step explanation:

(ax+3)²=36

<em>Square root both sides</em>

ax+3=6

<em>Subtract 3 from both sides</em>

ax=3

<em>Put x in</em>

-3a=3

a= -1

C) -1 would work.

6 0
4 years ago
Read 2 more answers
The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms. How lo
Alenkasestr [34]

Answer:

The answer is 8.1 h




Good luck!!!!!

Step-by-step explanation:


6 0
3 years ago
What is the x-intercept of the equation 3x - 2y = -12 ​
muminat
X=2/3y-4

EXPLANATION
3x-2y=-12
You take -2y to the other side
It becomes 3x=2y-12
Then you divide 3
X=2/3y
-12/3=-4
X=2/3y-4
4 0
3 years ago
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