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26 Mar 2015, 04:39
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In the xy-coordinate system, line k passes through points (-5m, 0) and (0, 2m). Which of the following is a possible equation of line k?
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
26 Mar 2015, 06:18
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Bunuel
In the xy-coordinate system, line k passes through points (-5m, 0) and (0, 2m). Which of the following is a possible equation of line k?
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
Answer D
Slope =\(\frac{2}{5}\)
Y intercept is given to us as 2m .
equation of line \(y= \frac{2}{5}x+ 2m\)
if m is -ive line will go through \(1^s^t, 3^r^d and 4^t^h\) quadrants
if m is +ive line will go through \(1^s^t, 2^n^d and 3^r^d\) quadrants
26 Mar 2015, 07:16
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Bunuel
In the xy-coordinate system, line k passes through points (-5m, 0) and (0, 2m). Which of the following is a possible equation of line k?
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
A. y = -5/2*x + 2m
B. y = 2/5*x - 5m
C. y = 5/2*x + 2m
D. y = 2/5*x + 2m
E. y = -2/5*x - 5m
Kudos for a correct solution.
Method 1:
USE OPTIONS
Correct option will satisfy both the given points (-5m, 0) and (0, 2m)
A. y = -5/2*x + 2m
Checking point (0, 2m) --- at x=0, we get y = 2m so a possible answer
Checking point (-5m, 0) --- at y=0, we get x is NOT equal to -5m so a NOT a possible answer (Ruled Out)
B. y = 2/5*x - 5m
Checking point (0, 2m) --- at x=0, we get y is NOT equal to 2m so a NOT a possible answer (Ruled Out)
C. y = 5/2*x + 2m
Checking point (0, 2m) --- at x=0, we get y = 2m so a possible answer
Checking point (-5m, 0) --- at y=0, we get x is NOT equal to -5m so a NOT a possible answer (Ruled Out)
D. y = 2/5*x + 2m
Checking point (0, 2m) --- at x=0, we get y = 2m so a possible answer
Checking point (-5m, 0) --- at y=0, we get x = -5m so THE CORRECT ANSWER
E. y = -2/5*x - 5m
Checking point (0, 2m) --- at x=0, we get y is NOT equal to 2m so a NOT a possible answer (Ruled Out)
