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Question
The equation of a line with x-intercept 7 and y-intercept −7 is ______.
Options
x − y = 7
y − x = 7
x + y +7 = 0
x + y = 7
MCQ
Fill in the Blanks
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Solution
The equation of a line with x-intercept 7 and y-intercept −7 is x − y = 7.
Explanation:
By intercept form,
Equation of line: `x/a + y/b = 1`
Given,
x-intercept (a): 7
y-intercept (b): −7
Substituting values in equation, we get:
⇒ `x/7 + y/(−7) = 1`
⇒ `x/7 - y/7 = 1`
⇒ x − y = 7
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