Year 9

Shading regions to satisfy a set of inequalities

Year 9

Shading regions to satisfy a set of inequalities

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Lesson details

Key learning points

  1. In this lesson, we will learn how to shade regions between plotted lines to satisfy a set of inequalities.

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
Which of the following coordinates would y<3 satisfy?
(-1, 7)
(-2, 5)
(-3, 3)
Correct answer: (4, 2)
Q2.
Which of the following coordinates would x > -2 satisfy?
Correct answer: (-1, 7)
(-2, 5)
(-3, 3)
(-7, 2)
Q3.
Which of the following coordinates would x + y > 5 satisfy?
Correct answer: (-1, 7)
(-3, 3)
(-7, 2)
(0, 5)
Q4.
Which of the following inequalities would satisfy the coordinates (3, -3)?
Correct answer: x + y < 1
x > 3
y < -3
y < -4
Q5.
Which of the following inequalities would satisfy the coordinates (-1, -5)?
x + y > 1
x < -1
Correct answer: y < -4
y > -4

5 Questions

Q1.
1) Which of the following regions represents x < 1?
Correct answer: Option 1
Option 2
Option 3
Option 4
Q2.
Which of the following regions represents "y is greater than or equal to -2"?
Option 1
Option 2
Option 3
Correct answer: Option 4
Q3.
Which inequality has been drawn on the axes below?
An image in a quiz
x + y < -4
Correct answer: x + y < 4
x + y > -4
x + y > 4
Q4.
Which inequality has been drawn on the axes below?
An image in a quiz
y < -2x + 2
Correct answer: y < 2x + 2
y > -2x + 2
y > 2x + 2
Q5.
5) Which shape is bound by the inequalities: x < 1, y < 3, x > -1, y > -3?
Rectangle
Correct answer: Square
Trapezium
Triangle