Graphs of Quadratic Functions
Master quadratic function graphs! Identify vertex, intercepts, and more.
Determine which of the following statements are true for the given graph. True The y-intercept is -5. It has an x-intercept at -1. The range is (-9, inf). It has an x-intercept at 5. The vertex is (2, -9) False The equation of the axis of symmetry is x=4. It has an x-intercept at 2. It is increasing from (-9, inf). Determine which of the following statements are true for the given graph. True It is decreasing from (-inf, -2). It has an x-intercept of -2. The range is from (0, inf). The equation of the axis of symmetry is x=-2. It has a y-intercept of 4. False It has an x-intercept of 4. The vertex is (0, 4) It is increasing from (0, inf). Determine which of the following statements are true for the given graph. True It has a y-intercept of 9. It has no x-intercepts. The domain is (-inf, inf). It is increasing from (2, inf). It is decreasing from (-inf, 2). False It has an x-intercept of 9. It has no y-intercept. The vertex is (5,2). The range is (2, inf). Determine which of the following statements are true for the given graph. True It is decreasing from (-inf,-3). It has an x-intercept of -4. It has an x-intercept of -2. The domain is (-inf, inf). It has a minimum of -1. False It has a y-intercept of -2. The equation of the axis of symmetry is x=3. It is increasing from (-1, inf). Determine which of the following statements are true for the given graph. True The equation of the axis of symmetry is x=-1. The y-intercept is 0. It has an x-intercept at 0. It is decreasing from (-inf, -1). It has a minimum of -2. False The y-intercept is -2. It is increasing from (-2, inf). The range is from (-1, inf). Determine which of the following statements are true for the given graph. True The vertex is (2, 0). It has an x-intercept at 2. It has a range from (-inf, 0). The equation of the axis of symmetry is 2. It is increasing from (-inf, 2) False It has two x-intercepts. The vertex is a minimum. The y-intercept is 2. It is decreasing from (0, -inf).