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12th Grade Math

Brenda Said:

What is LiberalArts Math(12th grade, not college)?

We Answered:

It is a combination of algebra and geometry, designed for the student not ready to take algebra 2.

Good Luck!

Lori Said:

How do you know if a relation is a function?(talking about graphing) 12th grade math.?

We Answered:

Functions must be 'onto.' That basically means that every x value provided must go to one and only one y value.

x y
------
3 2
3 1
2 1
1 0
0 5

This is not a function, only because x=3 gives two answers!


On a graph, there's something called the vertical line test. If you can draw a vertical line through your graph that hits two or more points, it's not a function for the same reasons as what I listed above (one x value gives 2 or more y values.) I hope this helped!

Bernice Said:

If you have 12th grade math but you have a f in 9th math what do you do?

We Answered:

You can see if there options to take the class again (ask a guidance counselor). Usually the solution is to take it online though.

Ruben Said:

What is the best way for me to learn 7th grade math stuff so I can understand algebra 1?

We Answered:

I am not in the US but would assume that any 12th grade math teacher ought to be able to teach 7th grade math. Why not ask him, or her?

Viola Said:

12th grade math problem: Finding concentrations of acid?

We Answered:

x: concentration of container a
y: concentration of container b
c: concentration of mixture
Va: the volume used from container a
Vb: the volume used from container b
V: Total volume (Va + Vb)
xVa + yVb = cV

so
300x + 600y = 0.45*(300+600)
300x + 600y = 405 .........eq1

and
100x + 500y = 0.415 (100+500)
100x + 500y = 249 .....eq2

solve eq1 & eq2
300 x + 600y = 405 ...............eq1
(100x + 500y = 249) * -3 ...........eq2
-300x - 1500y = -747
add
-900y = -342
y = 0.38

substitute in eq1
300 x + 600 (0.38) = 405
x= 0.59

so
x = 59%
y = 38%

William Said:

i need a adult high school in ottawa to get my 12th grade math and english credits anyone know of a place?

We Answered:

Contact the local school board or Dept. of education. They should be able to give you the advice you need.

Susan Said:

Getting degree in Math- certified teacher 8-12 grade, but what if I want to become a professor later?

We Answered:

You would need to have a PhD in Mathematics to become a professor. Mathematics is a very difficult PhD because you need to make a unique contribution to the field of mathematics and have to be a very advanced mathematician to even begin your studies for PhD. I would suggest getting a Masters in mathematics before applying as a PhD student, because math certification is very very different than a degree in applied mathematics.
From there many universities extend offers of post doctorate studies, and then a fellowship or professorship from there

Good luck!

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