Mathematics
Assertion (A): For the line 3x + 4y = 7, the abscissa is .
Reason (R): 3x + 4y = 7
⇒ 3x = 7
and x = .
A is true, but R is false.
A is false, but R is true.
Both A and R are true, and R is the correct reason for A.
Both A and R are true, and R is the incorrect reason for A.
Graphical Solution
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Answer
Given, equation of line : 3x + 4y = 7
When, y = 0
⇒ 3x + 4 x 0 = 7
⇒ 3x = 7
⇒ x =
∴ Reason (R) is true.
So, the abscissa is .
∴ Assertion (A) is false.
∴ A is false, but R is true.
Hence, option 2 is the correct option.
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