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Sav [38]
2 years ago
14

Explain why solving a system of equations using graphing is not a useful solution technique?

Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
5 0

Answer:

solving a system of equations using graphing is not a useful solution technique because you are plotting on a 2D surface. For example, if you graph the system below, you get the following graph. ... While you can approximate the solution to this system, you cannot say exactly where the intersection point is since it does not fall on integer values on the number lines.

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31 gallons of gas cost $82.15. What is the unit rate for 1 gallon of gas ?
alexgriva [62]
Divide total price by gallons:

82.15 / 31 = 2.65 for 1 gallon
7 0
3 years ago
PLEASE HELP ASAP!!!!!
wariber [46]

the answer to this would be C I hope this helps :)

4 0
3 years ago
2 Points
DochEvi [55]

Answer:

A

Step-by-step explanation:

f(x) = 2x^2 – 3x + 1 is a function (its graph is a parabola that opens up), and it is one-to-one (Answer A).  For each input, x, this function will return one output.

8 0
3 years ago
The graph of function g is a vertical stretch of the graph of function f ​​by a factor of 3. Which equation describes function g
anyanavicka [17]

Answer:


Step-by-step explanation:

A vertical stretch by a factor of k means that the point (x, y) on the graph of f (x) is transformed to the point (x, ky) on the graph of g(x), where k <1.

If k =1, then same graph we obtain and if k>1 we get a vertically shrink graph.

In our question, there is a vertical stretch of 3. This means new graph would have points as (x,y/3)

i.e. instead of f(x) = y, we have now f(x) = y/3

So transformation is g(x) = 3f(x)

Option A is correct.

2) Here f(x) = 3x+8 is transformed to g(x) =3x+6

i.e. y intercept is reduced by 2 units.  Hence there is a translation of 2 units down.


8 0
3 years ago
Read 2 more answers
Patient A receives 3 times the amount of certain medicine as Patient B. The two doses add to 200 milligrams. What amount of the
4vir4ik [10]
Patient A - 150 mg
Patient B - 50 mg
I hope this helps :)
7 0
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