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Nady [450]
4 years ago
12

How to graph quadratic equations

Mathematics
1 answer:
icang [17]4 years ago
6 0
If you are graphing quadratic equations of the type
ax^2 + bx + c = 0

The equation will look like a "U" <span>if "a" is positive </span>or it will look like an upside-down "U" <span>if "a" is negative </span>


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A student rolls a number cube Whose six faces are numbered 1 through 6 what is the sample space for this experiment.
KiRa [710]

Answer:

It depends on how you define an outcome.

Usually, the outcomes are considered to be the number showing on the top face of the die (number cube) when it comes to rest on a horizontal surface. If that is how you define outcomes, then the sample space is the set of numbers 1–6: {1, 2, 3, 4, 5, 6}.

Step-by-step explanation:

"This experiment" covers a lot of territory. The student could be checking to see if the die stays on the table or falls to the floor. The student could be experimenting to see if the die changes color or makes a certain kind of noise. The experiment could involve the number of times the die rolls over to a new face before it comes to rest. Until the experiment is properly defined, the sample space is unknown.

If the experiment is to see what number shows on the top face of the die at rest on a horizontal surface, then the sample space is presumably the set of numbers 1 through 6.

7 0
3 years ago
Read 2 more answers
Triangle ABC has vertices at A(1,2) B(4,6) and C(4,6) in the coordinate plane. The triangle will be reflected over the x-axis an
k0ka [10]
You should know that you can predict changes in coordinates after translations without a graph or anything like that.

(x, y) reflected over the x axis = (x, -y)
(x, y) reflected over the y axis = (-x, y)
(x, y) rotated 90 degrees around the origin = (y, -x)
(x, y) rotated 180 degrees around the origin = (-x, -y)
(x, y) rotated 270 degrees around the origin - (-x, y)

So here's our set of points.
A(1, 2), B(4, 6), C(4, 6)

Here's those points reflected over the x axis.
A'(1, -2), B'(4, -6), C'(4, -6)

And here's <em>those</em> points rotated 180° around the origin.
A''(2, -1), B''(6, -4), C''(6, -4)

I think you made a mistake writing down the question, though, because B and C are the same yet you say ABC forms a triangle. You should be able to go through this process with whatever the coordinate was supposed to be.
4 0
3 years ago
How many nickels and dimes are in $2.40 if there are two times more nickels than dimes?
scoundrel [369]
The best answer is C.
7 0
3 years ago
Read 2 more answers
Please help i need this fast
Marta_Voda [28]

so what u do is if u got a Phone get a math app thank

8 0
3 years ago
Please help I’m timed!
qaws [65]

Answer:

NO

Step-by-step explanation:

live quiz, not aloud on Brainly

7 0
3 years ago
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