REALLY NEED HELP!!
How can 2x² - 18x < -28 be represented on a number line?

It's C
We can't have D because the circles are shaded in, meaning x can equal 2 & 7. Plus, the symbol is not in our 2x² - 18x < -28. A less than or greater than symbol.
(graph from desmos graphing calculator)
Hope this helps!