Line KL has an equation of a line y = 4x + 5. Which of the following could be an equation for a line that is perpendicular to line AB?

y = 4x − 8
y = 1 over 4x − 8
y = −4x − 8
y = −1 over 4x − 8

Question

Line KL has an equation of a line y = 4x + 5. Which of the following could be an equation for a line that is perpendicular to line AB?

 y = 4x − 8
 y = 1 over 4x − 8
 y = −4x − 8
 y = −1 over 4x − 8

shamim · Answer

Standard equation of a line is.
y=mx+c

pink.1d · Answer

y = −1 over 4x − 8

shamim · Answer

Ur given equation of a line is
y=4x+5

shamim · Answer

If u compare these 2 equation of line, then u will get m=?

shamim · Answer

Anyway mis the slope of ur given line

shamim · Answer

C
m=4
Right?