If the vertex of the graph of a quadratic function lies in quadrant IV and the graph is concave up, how many x-intercepts does the graph have?
A) 3
B) 2
C) 0
D) 1

Question

Quizplus · Accepted Answer

Since the vertex is in quadrant IV and the graph is concave up, it means the lowest point of the graph is in quadrant IV. For a quadratic function, this implies the graph will intersect the x-axis at two points before curving upwards.

If the Vertex of the Graph of a Quadratic Function