Answer:
y = x + 12
Explanation:
y = -x² + x + 12
y intercept form is, y = mx + c
where m = -b / a
the general quadratic equation is,
y = ax² + bx + c
thus, according to the question
m = -1 / -1 = 1
constant, c = 12
thus, the intercept form of the equation would be,
y = x + 12