Question

Brianna plotted the two points (20, 75) and (45, 150) on a graph. What is the x-coordinate of the x-intercept of the line that contains these two points

Answer 1

Here his a link to how you solve this , please do not use it to cheat but to learn from it 

http://ecsd-fl.schoolloop.com/file/1298972684338/1298972684200/3666926465936506857.pdf 

Hope this helps !<span />