Tag Archives: Cecilia Calvo

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create a correct sentence: The vertex of the parabola, y = ▢ x² + ▢ x + ▢, lies on the horizontal axis Source: Cecilia Calvo

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create a correct sentence: Source: Cecilia Calvo