The line with equation 4b + a = 0 coincides with the terminal side of an angle x in standard position in quadrant iv.

what is sin x?

\[ -\frac{1}{4} \]
\[ \frac{\sqrt{17}}{17} \]
\[ \sqrt{17} \]
\[\frac{\sqrt[4]{17}}{17} \]

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.