Consider the quadratic function fx) = x2 - 8x -9
What is the vertex of the function?
Vertex

Halp me plsss

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula, equation, to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Which statements regarding efg are true? check all that apply.