Solve-Real roots-Intersections
 1. Solve x2 – 3x – 4 = 0A) x = 4, x = -1B) no solutionC) x = -4, x = 1D) x = ±12. What are the real roots of y = x2 – 3x – 4?A) (x – 1) and (x + 1)B) (x + 4) and (x - 1)C) no real rootsD) (x – 4) and (x + 1)3. How many times does x2 – 3x – 4 = y intersect the x-axis?A) 3B) 0C) 1D) 24. Solve x2 + 6x + 9 = 0A) no solutionB) x = 3C) x = 3 and x = -3D) x = -35. What are the real roots of y = x2 + 6x + 9?A) (x – 3) and (x + 3)B) (x – 3)C) no real rootsD) (x + 3)6. How many times does x2 + 6x + 9 = y intersect the x-axis?A) 3B) 0C) 2D) 17. Solve x2 + 4 = 0A) x = ±2B) x = -2C) no solutionD) x = 28. What are the real roots of y = x2 + 4?A) (x – 2) and (x + 2)B) (x + 2)C) (x - 2)D) no real roots9. How many times does x2 + 4 = y intersect the x-axis?A) 1B) 0C) 3D) 210. When I ask you for the real roots of a quadratic function, I am asking you toA) solveB) find the line of symmetryC) graphD) find the y-intercept11. Which way does y=–5x2+3x–7 open?A) downB) to the leftC) to the rightD) up12. Which way does y = 2 + 3x – 4x2 open?A) downB) to the leftC) to the rightD) up
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