Chapter Exam

Chapter 1: Orienting Yourself: The Use of Coordinates — Online MCQ Test

Q: What is the point called where the X-axis and Y-axis intersect in the Cartesian plane?

Answer: B. Origin — The point of intersection of the X-axis and Y-axis is called the origin. Its coordinates are (0, 0).

Q: What are the coordinates of a point on the Y-axis?

Answer: A. (0, y) — Any point on the Y-axis has x-coordinate 0, so its coordinates are of the form (0, y).

Q: In the ordered pair (x, y), which coordinate is written first?

Answer: B. x-coordinate — In an ordered pair, the x-coordinate is always written first, followed by the y-coordinate.

Q: A point lies in the fourth quadrant. Which of the following must be true?

Answer: D. x > 0 and y < 0 — In the fourth quadrant, the x-coordinate is positive and the y-coordinate is negative.

Q: Which statement best connects coordinate geometry with ancient Indian mathematics mentioned in the chapter?

Answer: B. Aryabhata contributed to mathematical ideas that helped in understanding position and calculation — The chapter highlights historical mathematical developments in India, including Aryabhata's contributions to mathematics and astronomy.

MATHS · Grade 9 · CBSE(NCERT)

Practice Chapter 1: Orienting Yourself: The Use of Coordinates with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 9 MATHS. This chapter covers: Cartesian Plane Coordinate Geometry Ordered Pair X Axis Y Axis Origin Quadrants Distance Formula Midpoint Coordinates Graph Plotting Points Aryabhata Sindhu Sarasvati Civilisation.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 1: Orienting Yourself: The Use of Coordinates — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 9 MATHS — Chapter 1: Orienting Yourself: The Use of Coordinates, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the point called where the X-axis and Y-axis intersect in the Cartesian plane?

A. Quadrant
B. Origin ✓
C. Axis
D. Coordinate

Answer: B. Origin
The point of intersection of the X-axis and Y-axis is called the origin. Its coordinates are (0, 0).

What are the coordinates of a point on the Y-axis?

A. (0, y) ✓
B. (x, 0)
C. (x, y)
D. (0, 0)

Answer: A. (0, y)
Any point on the Y-axis has x-coordinate 0, so its coordinates are of the form (0, y).

In the ordered pair (x, y), which coordinate is written first?

A. y-coordinate
B. x-coordinate ✓
C. Origin
D. Quadrant

Answer: B. x-coordinate
In an ordered pair, the x-coordinate is always written first, followed by the y-coordinate.

A point lies in the fourth quadrant. Which of the following must be true?

A. x > 0 and y > 0
B. x < 0 and y > 0
C. x < 0 and y < 0
D. x > 0 and y < 0 ✓

Answer: D. x > 0 and y < 0
In the fourth quadrant, the x-coordinate is positive and the y-coordinate is negative.

Which statement best connects coordinate geometry with ancient Indian mathematics mentioned in the chapter?

A. Indian mathematicians never used numerical methods
B. Aryabhata contributed to mathematical ideas that helped in understanding position and calculation ✓
C. Coordinates were invented only in modern Europe
D. The Sindhu-Sarasvati civilisation used only decimals and no geometry

Answer: B. Aryabhata contributed to mathematical ideas that helped in understanding position and calculation
The chapter highlights historical mathematical developments in India, including Aryabhata's contributions to mathematics and astronomy.

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Chapter 2: Introduction to Linear Polynomials