Select the correct answer. given: prove: a perpendicular line of the x-axis and y-axis has red line a at (1, d) and blue line c at (1, e) with all crossing the origin b at (0, 0) statements reasons 1. given 2. application of the slope formula 3. draw the vertical line segment construction 4. is a right angle definition of perpendicular lines 5. is a right triangle definition of a right triangle 6. application of the distance formula 7. pythagorean theorem 8. simplify 9. substitution property of equality which expression is missing from step 7? a. b. c. d.
