Question

Write the quadratic equation where the roots are -1/3 and 5

Answer 1

f(x) = 3x² - 14x - 5

Explanation:

multiply the factors: (x + 1/3)(x - 5)

x² - 5x + 1/3x - 5/3

x² -14/3x - 5/3

multiply by 3 to eliminate fractions:

3x² - 14x - 5