5. Find the vertex and y-intercept of the quadratic function.

Show me how you find y and determine what y is you i appreciate it : )

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)