Please help me  1. What is the equation of the line passing through the origin and perpendicular to the line 2x - 5y + 6=0? *

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
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1. What is the equation of the line passing through the origin and perpendicular to the line 2x - 5y + 6=0? *

A. 2y - 5x = 0
B. 2y + 5x = 0
C. 5y + 2x = 0
D. 5y - 2x = 0
 
2. What is the equation of a line with a slope of 5 and passing through the intersection of the lines 4x - 5y = 26 and 3x + 7y = -2? 
A. y = 5x + 14
B. y = 5x - 18
C. y = 5x - 22
D. y = 5x - 14
 
3. What is the perpendicular distance of the line 6x + 8y - 50 = 0 from the origin?
A. 10 units
B. 100 units
C. 1/5 units
D. 5 units
 
4. Find the value of k such that the perpendicular distance of the point (2,k) from the line x - 2y = -3 is square root of 5.
A. 10
B. -10
C. -5
D. 5
 
5. The parabola 8^2 + 5y = 0, opens
A. upward
B. downward
C. to the right
D. to the left
 
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