What is the vertex of f(x) = x² - 10x?
Enter your answer in the boxes.
What is the y-intercept of f (x) = x² - 10x?
Enter your answer in the box.
Does f(x) = x² - 10x open upward or downward?
upward
○ downward
=
Graph f(x) = x² - 10x by first plotting its vertex and then its y-intercept.