👤
Answered

3) Find the equation of a line passing through points (5,7) and
(9,8).​

Sagot :

H2WO2go

Answer:

Step-by-step explanation:

y = mx + b

(5, 7)

7 = 5m + b

(9, 8)

8 = 9m + b

subtract the 2 equations

-1 = -4m

m = -1/-4

m = 1/4

substitute m in any of the equations,

7 = 5(1/4) + b

7 = 5/4 + b

b = 7 - 5/4

b = 28/4 - 5/4

b = 23/4

∴, the equation of the line is y = 1/4x + 23/4

Go Training: Other Questions