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shtirl [24]
3 years ago
8

Which point is the vertex of the quadratic function ()=2−6+8?

Mathematics
1 answer:
xenn [34]3 years ago
8 0

Answer:

Step-by-step explanation:

1.Get the equation in the form y = ax2 + bx + c.

2.Calculate -b / 2a. This is the x-coordinate of the vertex.

3.To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.

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The midpoint of segment AB is (-7, 10) and endpoint A is located at (3, -1). Find the other endpoint B. Show all work.
dusya [7]

Answer:

B(-17,21)

Step-by-step explanation:

The midpoint of two points is the average of the x coordinates and the average of the y coordinates.

Given

A(3, -1)

and we let the other end point B be B(x,y)

and midpoint is (-7,10)

So, the average of 3 and x is -7, and

the average of -1 and y is 10

We can solve for x first:

\frac{3+x}{2}=-7\\3+x=2*-7\\3+x=-14\\x=-14-3\\x=-17

and now solving for y:

\frac{-1+y}{2}=10\\-1+y=2*10\\-1+y=20\\y=20+1\\y=21

So, the other point B is:

B(-17,21)

6 0
3 years ago
Matt reasoned that he can write 9/1,000 as 0.9. Is he correct? Explain your answer.
GuDViN [60]
No because 9/1,000 in decimals would be 0.009 because if the number was a 3 number then it would go in the tenths
5 0
3 years ago
Which two sets of events are most likely independent?
Bumek [7]

Answer:

A and C

Step-by-step explanation:

Two events, A and B, are independent if the fact that A occurs does not affect the probability of B occurring.

Options B and D give events which are most likely to be dependent, because if a driver texts while driving affects the possibility that the driver can get into the accident and if a woman lives in Alaska affects she can have a heavy winter coat.

Options A and C are two sets of most likely independent events, because the girl's singing does not affect on her wish to become a lawyer and a man's hair doesn't depend on where his father lives.  

5 0
3 years ago
Where do I find my work I did with a tutor?
OlgaM077 [116]
It should come up as a notification. Check your messages or press “tutor” maybe even try reloading the page.
8 0
2 years ago
Does every acute triangle have 3 congruent sides?
Gemiola [76]
No. Just because the angles are all less than 90 degrees, that doesn't tell us anything about the sides. The sides are all congruent ONLY if all 3 angles are 60 degrees each. If the angles all have different sizes, then so do the sides.
4 0
3 years ago
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