Questions and Answers
1.Solve for x: \displaystyle - x^{2} - x = 4
Answer: There is no solution.
2.Solve for x: \displaystyle - 2 x^{2} + 3 = -5
Answer: \displaystyle -2 or \displaystyle 2
3.Solve for x: \displaystyle 2 x^{2} - 4 x - 4 = 1
Answer: \displaystyle 2.87083 or \displaystyle -0.870829
4.Solve for x: \displaystyle 2 x^{2} - 4 x - 4 = 0
Answer: \displaystyle 2.73205 or \displaystyle -0.732051
5.Solve for x: \displaystyle - 2 x^{2} - x - 3 = -1
Answer: There is no solution.
6.Solve for x: \displaystyle 2 x^{2} - 3 x + 2 = 4
Answer: \displaystyle 2 or \displaystyle - \frac{1}{2}
7.Solve for x: \displaystyle x^{2} - 5 x - 2 = 1
Answer: \displaystyle 5.54138 or \displaystyle -0.541381
8.Solve for x: \displaystyle x^{2} - 4 x = 4
Answer: \displaystyle 4.82843 or \displaystyle -0.828427
9.Solve for x: \displaystyle x^{2} + 4 x = 0
Answer: \displaystyle 0 or \displaystyle -4
10.Solve for x: \displaystyle x^{2} + 2 x - 5 = 4
Answer: \displaystyle 2.16228 or \displaystyle -4.16228
