Question:
If y = mx + c passes through (2, 5) and (4, 9), find m.
यदि y = mx + c (2, 5) और (4, 9) से होकर गुजरता है, तो m ज्ञात कीजिए।
Options:
- a) 4
- b) 2
- c) 3
- d) 5
- a) 4
- b) 2
- c) 3
- d) 5
correct answer : b)
Explanation:
m = (9-5)/(4-2) = 4/2 = 2.
m = (9-5)/(4-2) = 4/2 = 2.