TRUE OR FALSE

1. The y-intercept of y = x2 - 2x + 8 is (8,0)
22 The x-intercept of y = x2 - 3 are (V3,0) and (-13,0).
3. The graph of y = x? - 8 opens upward.
4. The graph ofy = 3 + opens downward
5. The parabola y = x2 + 2 has no x-intercept.
6. The vertex of y = x2 + 3 is (-1,-1)
7. The y-intercept of y = ax + bx + c is (0,c).
8. The vertex of a parabola is the highest or lowest point of the graph.
9. The graph of y = ax + bx+c has exactly one y-intercept, and its coordinate is (0.c)
10. A parabola may have two x-intercepts, one x-intercept, or no x-intercept​​