Pertidaksamaan Rasional dan Irasional: Materi

9 Slides • 4 Questions

1

Pertidaksamaan Rasional dan Irasional

1. Pertidaksamaan Rasional

2. Pertidaksamaan Irasional

by Bu Zend

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1. Pertidaksamaan Rasional

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Bentuk umumpertidaksamaan rasinal

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Contoh Soal

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kita gambar garis bilangannya

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Multiple Choice

Penyelesaian dari pertidaksamaan $\frac{3x\ +\ 1}{x\ -\ 2}\le0$

adalah....

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$x<-2\ atau\ x\ge\frac{1}{3}$

2

$-2<x\le\frac{1}{3}$

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$\frac{1}{3}\le x<2$

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$x\le\frac{1}{3}atau\ x>2$

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$-\frac{1}{3}\le x<2$

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Multiple Choice

Nilai x yang memenuhi pertidaksamaan $\frac{2x-1}{3x\ +2}\ge2$ adalah..............

1

$-\frac{5}{4}\le x<-\frac{2}{3}$

2

$\frac{2}{3}<x\le\frac{5}{4}$

3

$-\frac{2}{3}<x\le\frac{5}{4}$

4

$x\le-\frac{5}{4}\ atau\ x>-\frac{2}{3}$

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$x<-\frac{2}{3}atau\ x\ge\frac{5}{4}$

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2. Bilangan Irasional

Pertidaksamaan irasional dinyatakan dalam bentuk akar.

Nilai peubah yang akanditentukan selangnya terdapat dalam tanda akar.

Bentuk - bentuk pertidaksamaan irasional:

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Contoh soal.

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11

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Multiple Choice

Penyelesaian dari $\sqrt[]{x-2}\le3$ adalah.......................

1

$2<x\le11$

2

$2\le x\le11$

3

$2<x<11$

4

$2\le x<11$

5

$-2\le x\le11$

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Multiple Choice

Penyelesaian dari $\sqrt[]{x\ +3}>\sqrt[]{2x-1\ }$ adalah...................

1

$\frac{1}{2}<x<4$

2

$\frac{1}{2}\le x<4$

3

$\frac{1}{2}<x\le4$

4

$\frac{1}{2}\le x\le4$

5

$x<\frac{1}{2}\ atau\ x\ge4$

Pertidaksamaan Rasional dan Irasional

1. Pertidaksamaan Rasional

2. Pertidaksamaan Irasional

by Bu Zend

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