Graph the equation y = x2 + 3x + 5. Use the graph and the quadratic formula to answer
Chapter 9, Problem 4(choose chapter or problem)
Graph the equation y = x2 + 3x + 5. Use the graph and the quadratic formula to answer these questions. a. How many x-intercepts does the graph have? b. Use the quadratic formula to try to find the roots of 0 = x2 + 3x + 5. What happens when you take the square root? c. Without looking at a graph, how can you use the quadratic formula to tell if a quadratic equation has any real roots?
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