Question : Solve the quadratic equation by completing the square, rounding to the nearest : 2139493
Provide an appropriate response.
143) Solve the quadratic equation by completing the square, rounding to the nearest hundredth: 5x2 - 2x = 4
A) x = 1.12, -0.72
B) x = .2 + 0.74i, .2 - 0.74i
C) x = 5.45, -5.05
D) x = 3.02, 0.98
144) Solve for x by completing the square: x2 + 80x = 150
A) 0.229
B) 0.917
C) 1.83
D) 0.458
Solve the equation using the quadratic formula.
145) 8x2 + 5x - 3 = 0
A) , 0
B) , -1
C) , 1
D) , -1
146) 14x2 + 15x = 0
A) 0
B) , 0
C) ±
D) -
147) x2 + x + 6 = 0
A) ±6
B) No real solution
C) 1, 6
D) 0, 6
148) 5x2 + 12x + 2 = 0
A)
B)
C)
D)
149) 4x2 = -8x - 2
A)
B)
C)
D)
150) 2x2 + 10x = - 3
A)
B)
C)
D)
151) x2 + 8x - 20 = 0
A) -10, 1
B) 10, -2
C) -10, 2
D) 10, 2
152) 5x2 - 40x + 75 = 0
A) -3, 5
B) 3, -5
C) -3, -5
D) 3, 5
Solution
5 (1 Ratings )
Related Answers