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Question 205108This question is from textbook Longman Mathematics for IGCSE book1
: Write downthe equations of the lines that are parallel to
2y=5x+7, passing through (0,-3.5)
This question is from textbook Longman Mathematics for IGCSE book1
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Write downthe equations of the lines that are parallel to
2y=5x+7, passing through (0,-3.5)
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There's only one.
Find the slope, m, of the line by putting it in slope-intercept form (that means solve for y).
2y=5x+7
y = (5/2)x + 7/2
m = 5/2
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All lines parallel have the same slope.
Use
y-y1 = m*(x-x1) where (x1,y1) is the point (0,-3.5)
y+3.5 = (5/2)x
2y+7 = 5x
2y = 5x-7
or 5x-2y = 7
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