Mathematics - 0580 CIE

Inequalities

Akopọ

An inequality is like an equation, but instead of saying two things are equal it says one is greater or less than the other. That single change lets you describe ranges of values: speeds up to a limit, ages of at least a certain number, regions on a graph.

In this lesson you will represent and interpret inequalities, including on a number line, and (at Extended) construct and solve linear inequalities and represent them on a graph as regions.

Awọn Afojusun

  1. Represent and interpret inequalities, including on a number line.
  2. Construct, solve and interpret linear inequalities. (Extended only)
  3. Represent and interpret linear inequalities in two variables graphically. (Extended only)
  4. List inequalities that define a given region. (Extended only)

Akọ̀wé Ẹ̀kọ́

Inequalities describe the very common situation where a quantity must be within limits rather than exactly fixed. They build directly on the equation-solving skills you already have.

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Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Inequalities. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. Solve 3x - 4 ⩽ 11. A. x ⩽ 3 B. x ⩽ 5 C. x ⩾ 5 D. x ⩽ 7 Answer: B
  2. Solve -2x < 6. A. x < -3 B. x > -3 C. x < 3 D. x > 3 Answer: B
  3. On a number line, x > 2 is shown by: A. a filled circle at 2, arrow right B. an open circle at 2, arrow right C. an open circle at 2, arrow left D. a filled circle at 2, arrow left Answer: B
  4. Which inequality means 'x is at least 5'? A. x > 5 B. x < 5 C. x ⩾ 5 D. x ⩽ 5 Answer: C
  5. Solve x + 3 > 10. A. x > 7 B. x > 13 C. x < 7 D. x > 3 Answer: A

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe

Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Inequalities? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.

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