Question 1 Reduce the following equations into slope-intercept form and find their slopes and the y-intercepts.
(i) x + 7y = 0
(ii) 6x + 3y – 5 = 0
(iii) y = 0
Class X1 - Maths -Straight Lines Page 227
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(a) Given,
x + 7y = 0
7y = -x
y = (-1/7)x +0
Compare with y = mx + c
m = (-1/7) , c = 0
(b) Given, 6x + 3y - 5 = 0
3y = -6x + 5
y = -6x/3 + 5/3
y = (-2)x + (5/3)
compare with y = mx + c
m = -2 , c = (5/3)
(c) y = 0
y = 0.x + 0
compare with y = mx + c
m = 0, c = 0
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