JEE MATHEMATICS MCQ: STRAIGHT LINES

1 Easy

1 of 1

Application +4 | -1

The inclination of the straight line passing through the point

A(-3,6)

and the mid-point of the line joining the point

B(4,-5)

and

C(-2,9),

with

x

-axis is

View answer and explanation

Correct option: D

\frac{3 \pi}{4}

Option D (

\frac{3 \pi}{4}

) is correct because the slope of the line passing through A and the midpoint is -1, corresponding to an angle of 135 degrees or

\frac{3 \pi}{4}

radians.

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\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

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