[4.07]Let c be any constant number. Which of the following will always be perpendicular to −3x + y = −1?

y equals one over three times x plus c

y equals negative one over three times x plus c

y equals negative three x plus c

y equals three x plus c

Question

[4.07]Let c be any constant number. Which of the following will always be perpendicular to −3x + y = −1?

y equals one over three times x plus c

y equals negative one over three times x plus c

y equals negative three x plus c

y equals three x plus c

radar · Answer

Rearrange the equation for clarity.
y = 3x - 1      Slope is 3 (the coefficient of the x term)
a perpendicular line will have a negative reciprocal of that slope or -1/3
you can now pick out the correct answer.

anonymous · Answer

i still dont get it sorry