Slope of a Straight Line When Equation Is Given

Q.

Slope of a line whose inclination is ${60}^{\circ }$ is ____.

1. 0
   

2. 1

3. $\frac{1}{\sqrt{3}}$
   

4. $\sqrt{3}$
   

Q.

Slope of the straight line $ax+by+c=0$ is $\frac{-a}{b}$.

1. True

2. False

Q.

If the straight lines $3x-5y=7$ and $4x+ay+9=0$are perpendicular to one another, find the value of a.

Q.

How do you find the slope and y-intercept of the line $-7\mathrm{x}-9\mathrm{y}=27$ ?

Q. For the equation of straight line $3x-2y+5=0$, slope = .

1. $\frac{2}{3}$
2. $\frac{3}{2}$
3. $\frac{5}{2}$
4. $\frac{2}{5}$

Q.

The equation of a line is 3x + 4y - 7 = 0. Find the slope of the line.

1. $-\frac{3}{5}$

2. $-\frac{1}{4}$

3. $-\frac{3}{4}$

4. $\frac{3}{4}$