Answer:
9
Explanation:
Given parameters:
what is b² - 4ac of
Equation x² - 5x + 4 = 0
Solution:
x² - 5x + 4 in the form ax + bx + c = 0
a is the coefficient of x² = 1
b = -5
c = 4
Input the parameters and solve;
b² - 4ac = -5² - 4(1)(4)
= 25 - 16
= 9
