Answer
H) $\frac{1}{2}$
Work Step by Step
To answer the question, one must realize with the given points that for each time the $x$ value increases by 1, the $y$ value increases by 8. To find the $x$ value you must see what the value is when $y$ is equal to zero, meaning that it would have to move either 4 places up or down depending on which point used for reference. Since you are only moving half the amount necessary to move a full $x$ intercept, you can infer that the $y$ value is $0$ at $x=1/2$.