JEE MATHEMATICS MCQ: STRAIGHT LINES

1 Easy

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Analyzing +4 | -1

Consider the straight lines

\begin{array}{l} L_{1}: x-y=1 \\ L_{2}: x+y=1 \\ L_{3}: 2 x+2 y=5 \\ L_{4}: 2 x-2 y=7 \end{array}

The correct statement is

View answer and explanation

Correct option: D

L_{1} \perp L_{2}, L_{1} \perp L_{3}, L_{2}

intersect

L_{4}

Option D (

L_{1} \perp L_{2}, L_{1} \perp L_{3}, L_{2}

intersect

L_{4}

) is correct because it accurately describes the relationships between the given lines based on their slopes and intersection points.

More Questions from STRAIGHT LINES

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x-3 y=p, a x+2 y=q

a x+y=r

\left\{ {a{t_1}{t_2},\;a\left( {{t_1} + {t_2})\} ,\{ a{t_2}{t_3},a({t_2} + {t_3}} \right)} \right\},\;\left\{ {a{t_3}{t_1},\;a\left( {{t_3} + {t_1}} \right)} \right\}

y = 2\;x + 4

6x = 3y + 5

{x^2} + {y^2} + 2xy - 8ax - 8ay - 9{a^2} = 0

(3,8)

x+3 y=7

\left( {{x^2} + 7xy + 2{y^2}} \right)\left( {y - 1} \right) = 0