Question

Find an equation of the line that is perpendicular to 9x + 5y = - 1. Write your answer in the form y = mx + b.

Answer 1

Explanation:

move x to the right making the equation 5y=-9x-1 then divide both sides by 5 to get y= -9/5x-1/5. the slope of a perpendicular line is the opposite reciprocal of the slope from the og eq. so the slope of the new line is 5/9x and the y-intercept stays the same so the equation should be y=5/9x-1/5