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문제 71
Solve each equation. (√x+2)-x = 2
문제 72
Solve each equation. √x-√x+3= -1
문제 73
Solve each equation. √4x-2 = √3x+1
문제 76
Solve each equation. ⁵√ 2x = ⁵√ 3x+2
문제 79
Solve each equation. x/x+2 + 1/x+3 = 2/(x²+2x)
문제 81
Solve each equation. (2x+3)2/3 + (2x+3)1/3 - 6 = 0
문제 85
Solve each inequality. Give the solution set using interval notation. -5x - 4≥3(2x-5)
문제 87
Solve each inequality. Give the solution set using interval notation. 5 ≤ 2x -3 ≤ 7
문제 92
Solve each inequality. Give the solution set using interval notation. x²-3x ≥ 5
문제 95
Solve each inequality. Give the solution set using interval notation. 3x+6 / x-5 > 0
문제 96
Solve each inequality. Give the solution set using interval notation. (x+7) / (2x+1) ≤1
문제 97
Solve each inequality. Give the solution set using interval notation.
문제 98
Solve each inequality. Give the solution set using interval notation.
문제 99
Solve each inequality. Give the solution set using interval notation. 3/x-1 ≤ 5/x+3
문제 100
Solve each inequality. Give the solution set using interval notation. 3/x+2 > 2/x-4
문제 105
Answer the following. Why can 3 not be in the solution set of 14x+9 / x-3 < 0? (Do not solve the inequality.)
문제 107
Solve each equation or inequality. |x+4| = 7