Mathematics
Grade10
Easy
Question
Find the equation of the line that matches the graph.
- y = 2x
- y = 1/4 x + 2
- y = 1x + 4
- y = -2x
Hint:
equation of line in slope intercept form is y = mx + c
where c is intercept on y axis and m is slope of line
The correct answer is: y = 1/4 x + 2
From the graph, the y-intercept is 2.
step1 : taking ( 4 , 3 ) and ( -4 , 1 ) points
slope of the line is (m) = 
= 
Substitute the values of m and b in slope-intercept form. y = mx + c
Slope of line is =
