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Two Point Form

Slope of the ...

Question

Slope of the line $A B$ is $- \frac{4}{3}$ . Co-ordinates of points $A$ and $B$ are $(x, - 5)$ and $(- 5, 3)$ respectively. What is the value of $x$

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Solution

The correct option is D $1$
$\frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{- 4}{3} = \frac{3 + 5}{- 5 - x} = \frac{- 4}{3}$
$\Rightarrow 24 = 20 + 4 x$
$x = 1$ .

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Slope of the line AB is −43. Co-ordinates of points A and B are (x,−5) and (−5,3) respectively. What is the value of x

The correct option is D 1y2−y1x2−x1=−43=3+5−5−x=−43⇒24=20+4xx=1.

Slope of the line $A B$ is $- \frac{4}{3}$ . Co-ordinates of points $A$ and $B$ are $(x, - 5)$ and $(- 5, 3)$ respectively. What is the value of $x$

The correct option is D $1$
$\frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{- 4}{3} = \frac{3 + 5}{- 5 - x} = \frac{- 4}{3}$
$\Rightarrow 24 = 20 + 4 x$
$x = 1$ .