2019
Mathematics
JAMB
If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.
A.
y = 5x + 2
B.
y = 5x + 3
C.
y = 12x + 2
D.
y = 22x + 3
Correct Answer: y = 5x + 2
Explanation
The equation of a straight line is given as y=mx+b where m = the slope of the line b = intercept Given points A(3, 12) and B(5, 22), the slope = (22−12)/(5−3)= 10/2 = 5 Hence, the equation of the line is y = 5x + 2 .
The equation of a straight line is given as y=mx+b where m = the slope of the line b = intercept Given points A(3, 12) and B(5, 22), the slope = (22−12)/(5−3)= 10/2 = 5 Hence, the equation of the line is y = 5x + 2 .THIS WEEK's
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