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nika2105 [10]
4 years ago
9

What is the vertex of the graph of y= x ^2+4x

Mathematics
1 answer:
S_A_V [24]4 years ago
5 0
The vertex is (2,-4) because, if you do -b/2a you end up with 2 which is your x value, and then you would plug it in to get your y which is -4. 
Hope this helps, I am sorry if it did not. :))

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How many complex roots does the equation below have? X^6+x^3+1=0
gladu [14]
If you find the discriminant it will tell you the number and types of roots. The discriminant is the value b^2 -4ac.
a = 1
b = 1
c = 1
1^2 - 4*1*1
1-4 = -3
Since this is a negative number there will be 2 complex roots.
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3 years ago
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The function h is defined by h (x) = 5x - 2.
Shtirlitz [24]

Answer:

x=2

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h(8)=5x-2

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Mrs. Gregory, the golf course superintendent at a country club, plans to reseed the putting green of the first hole. The circula
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Answer:

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The area of a circle is given by:

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3 years ago
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Lucy rolls 2 fair dice and adds the results from each.
stellarik [79]

Answer:

The probability is 7/36

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Before we go on answering the question, we need to know the number of elements in our sample space. What this means is that we need to know the number of results we can have. The total number of results we can have is 6 * 6 = 36

Now, the next thing to know is how many of our results would yield a multiple of 5 each. Now let’s look at the attachment for the tabular representation we have.

Now, looking at our table, we can see that we have 7 circled results where we have a possibility of a multiple of 5.

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3 years ago
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