Robert Kaplinsky
@robertkaplinsky.com
Math educator. Love helping teachers.
Open Middle co-founder. #OpenMiddleBook author. #ObserveMe creator. Grassroots Workshops President. Get lessons & ideas: http://bit.ly/rkupdates
Open Middle co-founder. #OpenMiddleBook author. #ObserveMe creator. Grassroots Workshops President. Get lessons & ideas: http://bit.ly/rkupdates
Sorry, I meant vertex form: www.openmiddle.com/maximum-valu...
Maximum Value of a Quadratic in Vertex Form | Open Middle®
Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create a quadratic equation with the greatest possible maximum value. Source: Robert Kaplinsky
www.openmiddle.com
November 6, 2025 at 11:41 PM
Sorry, I meant vertex form: www.openmiddle.com/maximum-valu...
Have you seen the version of this in quadratic form?
November 4, 2025 at 2:33 PM
Have you seen the version of this in quadratic form?
Have you considered which value(s) matter most? Least?
November 2, 2025 at 2:53 PM
Have you considered which value(s) matter most? Least?