Answer
The x-intercept is $x=-\frac{10}{5}=-2$, and the y-intercept is $10$.
Work Step by Step
The y-intercept is when $x=0$, thus: $y=ax+b=a\cdot0+b=b$.
The x-intercept is when $y=0$, thus: $0=ax+b\\-b=ax\\x=-\frac{b}{a}$.
Thus the x-intercept is $x=-\frac{10}{5}=-2$, and the y-intercept is $10$.