Choose the correct answer. For specifying a straight line, how ma… - Vidyadip

MCQ

Choose the correct answer. For specifying a straight line, how many geometrical parameters should be known?

A
$1$
✓
$2$
C
$4$
D
$3$

✓

Answer

Correct option: B.

$2$

Different form of equation of straight line are slope intercept form, $y = mx + c,$ Paramerer $= 2$
Intercept form, $\frac{\text{x}}{\text{a}}+\frac{\text{y}}{\text{b}}=1,$ parameter $= 2$
One-point from, $y - y_1 = m(x - x_1)$, parameter = 2
Normal form, $\text{x}\cos \text{w}+\text{y}\sin\text{w}=\text{P},$ Parameter $= 2$
Hence, the correct option is $(b).$

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