Chapter 2 Quiz: Quadratic functions and equations 3.0 / 5 based on 1 rating ? MathematicsAlgebra and functionsInternational BaccalaureateOther Created by: MillyCreated on: 14-04-13 20:02 What is the y intercept of the equation y = ax² + bx + c? c 1 of 12 What is the equation for the discriminant? b² − 4ac 2 of 12 What does the equation b² − 4ac > 0 show? There are two real roots 3 of 12 What does the equation b² − 4ac < 0 show? There are no real roots 4 of 12 What does the equation b² − 4ac = 0 show? There is one real root 5 of 12 What is the equation for the axis of symmetry? -b/2a 6 of 12 What is the equation for the x coordinate of the midpoint? -b/2a 7 of 12 What is the equation for the x coordinate of the midpoint? a(-b/2a)² + b(-b/2a)² + c 8 of 12 What type of parabola is made when a>0? positive parabola 9 of 12 What type of parabola is made when a<0? negative parabola 10 of 12 What are the roots in the equation y= a(x-p)(x-q) p and q 11 of 12 What are the coordinates for the vertex of the equation y= a(x-h)² +k? (h,k) 12 of 12
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