Write the quadratic equation whose roots are 5 and 3, and whose leading coefficient is 1.

Answer 1

For roots of 5 and 3 (x-intercepts, where y = 0)...

x = 5

x - 5 = 0

x = 3

x - 3 = 0

(x - 5)(x - 3) = 0

x² - 5x - 3x + 15 = 0

x² - 8x + 15 = 0