Geometry: Parallel and Perpendicular Lines Know and use slope criteria for parallel and perpendicular lines, and find equations of parallel and perpendicular lines. Geometry for grade10, based on Common Core standard G-GPE.5, and on TEKS standard G-2C. 11 Questions by Math_by_Kahoot 12/08/2017 answers Play N/A plays A line has slope m. What slope does a perpendicular line have? m -m 1/m -1/m Which equation represents a line that is perpendicular to the line 𝒚 = 2𝒙 + 7? 𝒚 = -1/2𝒙 + 4 𝒚 = 1/2𝒙 + 4 𝒚 = -2𝒙 + 4 𝒚 = 2𝒙 + 4 Which statement is true about the lines –8𝒙 + 6𝒚 = 24 and –3𝒚 + 4𝒙 = 9? The lines are parallel. The lines intersect at a right angle. The lines intersect at an angle that is not 90°. The two equations represent the same line. … and 8 more awesome questions! Check them out by clicking “Play”.