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What Are The Next Three Numbers In This Sequence? - Education (7) - Nairaland

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Re: What Are The Next Three Numbers In This Sequence? by Desyner: 7:43pm On Aug 14, 2017
MrOlai:


What is the greatest y value of the function:


1/(12x2 - 6x + 5) ?
= 0.25
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 11:56pm On Aug 14, 2017
mustapha112:
Why are you not replying have i offended you.please comment on it.

Wrong
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 11:58pm On Aug 14, 2017
Desyner:
= 0.25

No
Re: What Are The Next Three Numbers In This Sequence? by Desyner: 12:08am On Aug 15, 2017
MrOlai:


No
Its inverse then. 4.
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 9:31am On Aug 15, 2017
Desyner:
Its inverse then. 4.

No
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 10:35am On Aug 15, 2017
which topic is this question?
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 6:52pm On Aug 15, 2017
mustapha112:
which topic is this question?

Graph of Quadratic Functions
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 8:54am On Aug 16, 2017
y=1/5
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 7:20pm On Aug 16, 2017
mustapha112:
y=1/5

Wrong
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 12:24am On Aug 19, 2017
can you give me another question.
Re: What Are The Next Three Numbers In This Sequence? by IukkyAitee(f): 7:29am On Aug 19, 2017
0.235
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 8:29pm On Aug 19, 2017
IukkyAitee:
0.235

Wrong
Re: What Are The Next Three Numbers In This Sequence? by IukkyAitee(f): 10:27pm On Aug 19, 2017
4.1x10^-4 + 1.435x10^-5i

-(4.7x10^-5 + 2.4x10^-4i)
grin grin grin grin
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 6:30am On Aug 20, 2017
y is the subject of the formular the equation cannot be factorise.(12x^2-6x+5)it is an imaginary root.therefore we cannot get the root of the equation.while 1/imaginary root.because there is no value for x like from -2 to 4.if y=1/(imaginary root) the greatest value for y cannot be determined.
Re: What Are The Next Three Numbers In This Sequence? by Nobody: 12:56pm On Aug 20, 2017
mustapha112:
y is the subject of the formular the equation cannot be factorise.(12x^2-6x+5)it is an imaginary root.therefore we cannot get the root of the equation.while 1/imaginary root.because there is no value for x like from -2 to 4.if y=1/(imaginary root) the greatest value for y cannot be determined.
I think the question requires you to plot a graph and determine the required value of y from it.

1 Like

Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 3:14pm On Aug 20, 2017
the maximum value of y=5 while the minimum value for y=-5.the given imaginary root is x=-1.7and x=1.7
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 10:12pm On Aug 20, 2017
IukkyAitee:
4.1x10^-4 + 1.435x10^-5i

-(4.7x10^-5 + 2.4x10^-4i)
grin grin grin grin

Wrong
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 10:13pm On Aug 20, 2017
mustapha112:
y is the subject of the formular the equation cannot be factorise.(12x^2-6x+5)it is an imaginary root.therefore we cannot get the root of the equation.while 1/imaginary root.because there is no value for x like from -2 to 4.if y=1/(imaginary root) the greatest value for y cannot be determined.

Wrong
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 10:14pm On Aug 20, 2017
mustapha112:
the maximum value of y=5 while the minimum value for y=-5.the given imaginary root is x=-1.7and x=1.7

Wrong
Re: What Are The Next Three Numbers In This Sequence? by Mechanics96(m): 9:52am On Aug 23, 2017
derivative is -(24x-6)/(12x^2-6x+5)^2, equating this to zero, x=1/4 and y max.=4/17. Got the same using x= -b/2a. Am I getting something wrong??
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 5:02pm On Aug 23, 2017
Mechanics96:
derivative is -(24x-6)/(12x^2-6x+5)^2, equating this to zero, x=1/4 and y max.=4/17. Got the same using x= -b/2a. Am I getting something wrong??

grin Well done!

You tried! Answer is: y =17/4

You got the x coordinate perfectly!

Kudos!

2 Likes

Re: What Are The Next Three Numbers In This Sequence? by afo7219: 6:09pm On Aug 23, 2017
MrOlai:


grin Well done!

You tried! Answer is: y =17/4

You got the x coordinate perfectly!

Kudos!
next question pls
Re: What Are The Next Three Numbers In This Sequence? by NairalandSARS: 6:30pm On Aug 23, 2017
MrOlai:


grin Well done!

You tried! Answer is: y =17/4

You got the x coordinate perfectly!

Kudos!

Modified
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 10:18pm On Aug 23, 2017
afo7219:
next question pls

Ok
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 10:22pm On Aug 23, 2017
afo7219:
next question pls

How many different groups of 6 children can be chosen from a class of 18 children if the class contains one set of twins who must not be separated?
Re: What Are The Next Three Numbers In This Sequence? by Mechanics96(m): 5:35pm On Aug 24, 2017
since 2 people(twins) must always be in the group, therefore we have 18-2 =16 more people to chose 4 from. The twin will always join any group of 4 formed to make it 6. So 16C4 =1820
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 9:23pm On Aug 24, 2017
Mechanics96:
since 2 people(twins) must always be in the group, therefore we have 18-2 =16 more people to chose 4 from. The twin will always join any group of 4 formed to make it 6. So 16C4 =1820

Wrong.
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 10:00pm On Aug 24, 2017
3 must not be seperated
Re: What Are The Next Three Numbers In This Sequence? by Mechanics96(m): 7:25pm On Aug 26, 2017
mustapha112:
3 must not be seperated
3?? A set of twin is 3?
Re: What Are The Next Three Numbers In This Sequence? by MrOlai: 7:48pm On Aug 26, 2017
Mechanics96:

3?? A set of twin is 3?

Lol
Re: What Are The Next Three Numbers In This Sequence? by mustapha112: 10:00pm On Aug 26, 2017
what is the meaning of lo.am i wrong?
Re: What Are The Next Three Numbers In This Sequence? by Mechanics96(m): 9:57am On Aug 27, 2017
Considering the fact that the twin may or may not be in the group, I think; 16C4 or 16C6 =1820+8008= 9828

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