# # please read the explanation. Look at the coefficient of the x^2 term. Web both the vertex and standard form of the parabola: # # quadratic equations in vertex form have a general form: If a is positive, the parabola opens up. If a is negative, then the parabola opens down. The sign of a determines. • how to find roots or.
Look at the coefficient of the x^2 term. If a is negative, then the parabola opens down. If a is positive, the parabola opens up. The sign of a determines. Look at the coefficient of the x^2 term. • how to find roots or. # # quadratic equations in vertex form have a general form: Web both the vertex and standard form of the parabola: # # please read the explanation.
