Findthe y-intercept of theparabola y = x^2 − 10 .

The y-intercept is when the graph touches the y-axis, namely it intercepts it, and when that happens, the value of "x" is 0, thus,

y = x² - 10

y = (0)²  - 10

y = -10

we know x = 0, and y = -10, thus ( 0  ,  -10 )