Coordinates and Ratios in Geometry

Coordinates and Ratios in Geometry

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to find the coordinates of a point P along a directed line segment AB, where the ratio of AP to PB is 3 to 2. It starts by introducing the concept of dividing a line segment in a given ratio. The tutorial then details the calculation of point P's coordinates, starting from given coordinates of points A and B. The process involves applying the ratio to determine the exact position of point P, using both horizontal and vertical distances. The final position of point P is calculated to be at coordinates (1, 4).

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial task described in the video regarding point P?

Finding the midpoint of segment AB

Determining the coordinates of point P along segment AB

Calculating the length of segment AB

Identifying the slope of segment AB

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the ratio 3:2 signify in the context of the line segment?

Point P is closer to point B

Point P is closer to point A

Point P is exactly in the middle

Point P is outside the segment

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the fractional distance from A to P expressed?

One-fifth

Four-fifths

Three-fifths

Two-fifths

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the starting x-coordinate for point P?

-2

7

5

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much does the x-coordinate change from point A to point P?

It decreases by 3

It increases by 3

It remains the same

It decreases by 5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the starting y-coordinate for point P?

5

7

-2

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much does the y-coordinate change from point A to point P?

It increases by 5

It decreases by 5

It increases by 3

It decreases by 3

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the final coordinates of point P?

(1, 4)

(0, 5)

(3, 2)

(2, 3)

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the solution verified in the video?

By checking the midpoint

By comparing with another method

By estimating the position on a graph

By recalculating the ratio