49
Chat with our AI personalities
The vertex of this parabola is at -3 -1 When the y-value is 0 the x-value is 4. The coefficient of the squared term in the parabolas equation is 7
To square a number, multiply it by itself, so 7 squared, also written as 72, is 7 x 7, or 49.
(9x2 + 7)(9x2 - 7) = 81x4 - 49
3.14 times 7 squared is equal to 153.86
3 squared is 3 x 3 or 9.