How do u multiply fractions?

2 answers:

8 0

When you multiply fractions all you need to do is multiply straight like lets say you have the fractions 1/3*1/2you multiply as if you would multiply normally like first the dominators 1*1=1 and now the numerators 3*2=6 now we put them in order 1/6.
Hope it helps.

Gennadij [26K]2 years ago

4 0

Multiplying fractions is easier to understand than dividing fractions.A fraction has two parts: a numerator and a denominator. For example: 1/5. In this example 1 would be the numerator and 5 would be the denominator. To multiply fractions all you do is multiple the numerators together and the denominators together.
Ex.) 1/10 x 1/10= 1/100
In this example you multiplied 1 by 1 and put that as the numerator on you answer. Then you multiply 10 by 10 and that is the denominator for your answer. Let me know if you need another example.

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|3k-2|=2|k+2| solve please

djyliett [7]

3k-2=2k+4
-2k. -2k
k-2=4
+2. +2
k =6

4 0

2 years ago

What is the maximum number of turns for the graph of f(x)=x^4+3x^2?

Stels [109]

Answer:

The turns of a graph is represented by the number of maximum or minimum that the function has.

If we differenciate f(x) we get:

f'(x)=4x^3+6x

f'(x)=2x(2x^2 + 3)

Therefore f'(x) =0, when x=0. Given that negative roots are not defined.

Therefore, the number of turns will be given by the number of solutions of f'(x) which is 1.

Attached you find the graph of the function which confirms the number of turns.

If the function had other solutions, the maximum number of turns it could have is 3! because f'(x) is a third degree polynomial, therefore it can't have more than 3 solutions!