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Viktor [21]
3 years ago
12

How do you Rewrite f(x) = −(x + 3)2 − 1 from vertex form to standard form?

Mathematics
1 answer:
wel3 years ago
5 0
Expand it

-(x+3)^2-1
-(x+3)(x+3)-1
-1(x^2+3x+3x+9)-1
-1(x^2+6x+9)-1
-x^2-9x-9-1
-x^2-9x-10

f(x)=-x^2-9x-10
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Why is the sum of two negative numbers not a positive number
pychu [463]

Answer:

because when two negatives are together they can't add

Step-by-step explanation:

because when two negatives are together they can't add no matter if there's an addition sign

7 0
3 years ago
Convert y=x^2+8x+7 to intercept form
jek_recluse [69]

Answer:

roots: (-7, 0) (-1,0)

Vertical Intercept: (0,7)

x^1=-7 , x^2= -1

if that's not the right information just let me know!!

4 0
3 years ago
Winston has just gone grocery shopping. The mean cost for each item in his bag was $2.71. He bought a total of 9 items, and the
sukhopar [10]

The cost of the 9th item is  $3.94

Since the mean cost for the 9 items in his bag was $2.71. Then, the total cost will be: = 9 × $2.71 = $24.39

In order to get the price of the 9th item, we have to calculate the price of all the 8 items given which will be:

$2.01 + $2.20 + $2.68 + $3.59 + $3.12 + $1.64, + $1.75 + $3.46 = $20.45

Therefore, the cost of the 9th item will be:

= $24.39 - $20.45

= $3.94

Read related link on:

brainly.com/question/24562826

3 0
3 years ago
Describe a relationship in which it would be reasonable to have a negative number in the domain or
Aliun [14]

Answer:

Relationship between temperature at different times of the day during the Winter period in places like Alaska and Minnesota in the USA.

Step-by-step explanation:

An example of a relationship that would have a negative number in the domain or range would be the relationship between the temperature at different times of the day during the snow period in the winter. It's well known that in places like Alaska and Minnesota in the USA, that during the winter when there's very heavy snow, the average temperature is usually below 0°C. The temperature is the dependent variable and is most likely negative in those 2 states and thus the range would have negative numbers.

7 0
3 years ago
Round 14.762 toy the nearest...<br> Tenth<br> Whole number<br> Hundreth
irina [24]

Answer:

tenth is 14.7 whole number is 15 hundredth is 14.76

3 0
3 years ago
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