Tell whether the graph of each quadratic function opens downward or upward. Equation: y=5x^2 My answer: Upward. Since a0. Am I right or not ? ..

Question

Tell whether the graph of each quadratic function opens downward or upward.                                                                                                                                                Equation:  y=5x^2                                                                   My answer: Upward. Since a>0. Am I right or not ? ..

anonymous · Answer

yes you are correct

anonymous · Answer

if the coefficient to x^2 was negative, it would be downward, but since the one in your problem is positive, it opens upward