Use the quadratic formula to solve x^2-5x+4. Show your work. Then describe the solution.

Question

Logan Li

Mathematics

8 April, 07:16

Use the quadratic formula to solve x^2-5x+4. Show your work. Then describe the solution.

+4

Answers (1)

Know the Answer?

Isabela Ayala · Answer 1

X = 13/2 or X = 7/2

Step-by-step explanation:

x^2-5x+4

Where a = 1, b = - 5, c = 4

X = - b (+,-) √b^2-4ac / 2a

X = - (-5) (+,-) √ (-5) ^2-4 (1) (4) / 2 (1)

X = 5 (+,-) √25-16 / 2

X = 5 (+,-) √9/2

X = 5+3/2 or X = 5 - 3/2

X = 13/2 or X = 7/2

It has got two solutions