Answer:
Explanation:
y=-x^2
the range is(-∞,0]
y≤ 0 ( since the coefficient a is negative it is open downward)
y ≤0
y =- x^2
x^2 is always positive or 0
Make this negative
- x^2 is negative or 0
The range is negative or 0
9.4m questions
12.2m answers