Quiz Discussion

Title: Sectional formula

Grade: 7-a Lesson: S3-L3

Explanation:

Quiz: Discussion in Class

Problem Id Question

Steps 1

Find the point which divides the line segment joining the points (–1, 2) and (4,–5) internally in the ratio 2:3.

A) \$(1, \frac{-4}{5})\$

B) \$(1, \frac{4}{5})\$

C) \$(1, \frac{3}{2})\$

D) \$(1, \frac{-4}{3})\$

Steps 2

Find the point which divides the line segment joining the points (2,1) and (3,5) externally in the ratio 2:3.

A) \$(0,–7)\$

B) \$(2,8)\$

C) \$(1,–7)\$

D) \$(0,7)\$

Steps 3

Find the points which divides the line segment joining (–3, –4) and (–8, 7) internally in the ratio 7:5.

A) \$(\frac{71}{12}, \frac{-29}{12})\$

B) \$(\frac{-71}{12}, \frac{29}{12})\$

C) \$(\frac{-80}{13}, \frac{29}{13})\$

D) \$(\frac{-71}{13}, \frac{29}{13})\$

Steps 4

Find the points which divides the line segment joining (–3, –4) and (–8, 7) externally in the ratio 7:5.

A) \$(\frac{-41}{2}, \frac{69}{2})\$

B) \$(\frac{41}{2}, \frac{-69}{2})\$

C) \$(\frac{-31}{2}, \frac{69}{2})\$

D) \$(\frac{31}{2}, \frac{-69}{2})\$

Steps 5

Find the coordinates of the point which divides the line joining (- 1, 7) and (4, – 3) in the ratio 2:3?

A) \$(3,5)\$

B) \$(2,3)\$

C) \$(1,3)\$

D) \$(5,6)\$


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