Question

Solve the quadratic equation v2 - 2v = 3 by completing the square.
A. {2, -3}
B. {3, -1}
C. {1, 3}
D. {-3, 2}

Answer 1

@e.cociuba

Answer 2

v² - 2v = 3
v² - v = 3 + (- 1)²
v² - v = 3 + 1
(v - 1)² = 4
v - 1 = ± 2

v = 1 + 2, v = 3
v = 1 - 2, v = - 1

Answer: v = 3, - 1; factors: (v - 3)(v + 1)

Answer 3

B.)

Answer 4

It is correct! :)