Understanding points and trigonometric functions in different quadrants

Understanding points and trigonometric functions in different quadrants

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial covers the concept of plotting points and understanding distances from the origin. It explains how to create triangles using these points and identifies the hypotenuse. The tutorial also explores negative coordinates, reflections, and the importance of orientation in geometry. It emphasizes the significance of reference angles and provides guidelines for drawing triangles correctly, ensuring that the angles represent reference angles accurately.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the X coordinate represent when plotting a point from the origin?

The angle from the origin

The hypotenuse from the origin

The horizontal distance from the origin

The vertical distance from the origin

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the hypotenuse in the context of a triangle formed by a point and the origin?

The direct distance from the point to the origin

The horizontal side of the triangle

The angle between the point and the origin

The vertical side of the triangle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the hypotenuse always being positive?

It represents a distance

It represents a direction

It represents a coordinate

It represents an angle

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a reflection transformation affect the size and shape of a figure?

It changes both size and shape

It changes the size but not the shape

It changes the shape but not the size

It does not change the size or shape

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a reference angle?

An angle that is always acute

An angle that represents a measurement without direction

An angle that is always obtuse

An angle that measures the rotation direction

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to plot X and Y coordinates together when drawing triangles?

To change the orientation of the triangle

To make the triangle larger

To accurately represent the reference angle

To ensure the triangle is equilateral

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you incorrectly plot the X and Y coordinates separately?

The triangle will be equilateral

The hypotenuse will be longer

The reference angle will be incorrect

The triangle will be larger