The

The "a" value of a quadratic function in standard form tells us whether our parabola opens upwards (concave up) or downwards (concave down).

If a is positive (a is greater than 0) then the parabola will open upwards.

If a is negative (a is less than 0) then the parabola will open downwards.


#ConcaveUp/Down
#Quadratics
#Algebra

0:00 Introduction
0:11 What positive a tells us
0:25 What negative a tells us
0:48 Positive a examples
0:59 Negative a examples
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