Write an equation of the quadratic function f whose graph has x-intercepts 3 and 7 and f(5) = 8.
I tried foiling the two zeros but that doesn't give me 8 when for f(5).
Like:
(x -3)(x - 7)
x² - 10x + 21
(5)² - 10(5) + 21 = -4
?
Write an equation of the quadratic function f whose graph has x-intercepts 3 and 7 and f(5) = 8.
I tried foiling the two zeros but that doesn't give me 8 when for f(5).
Like:
(x -3)(x - 7)
x² - 10x + 21
(5)² - 10(5) + 21 = -4
?