| 63815 | The area of one square is x^2 + 12x + 36 and… | Medium | |
| 64542 | If xy = 6 and x^2 + y^2 = 12, then x/y… | Medium | |
| 65117 | Which of the following describes all values of x for which 25-x^2… | Medium | |
| 65192 | x+(1/x) = 1.5 find x^2 + (1/x^2) | Medium | |
| 65264 | If (x^2 + 1)y=8, which of the following is not a possible… | Medium | |
| 65422 | If x≠5 and (x^2 - 25)/(2y) = (x - 5)/4, then in… | Medium | |
| 65738 | Find the roots of quadratic equation: 2x2 + 5x + 2 =… | Medium | |
| 66302 | If x^2 - 1 = 0 and x < 0, which of… | Medium | |
| 67140 | If x>y>0, which of the following must be true: I | Medium | |
| 67319 | If -1 < x < 0, which of the following must be… | Medium | |
| 67702 | If x and y are different integers and x^2 = xy, which… | Medium | |
| 68020 | If x^2=x+4, then x^3= | Medium | |
| 68021 | If x^2 - 1 = 0 and x > 0, which of… | Medium | |
| 68059 | If x^2 - 4 = 0 and x > 0, which of… | Medium | |
| 68636 | The area of one square is x^2 + 8x + 16 and… | Medium | |
| 69180 | If x=3, which of the following is(are) true | Medium | |
| 69416 | As x increases from 155 to 166, which of the following must… | Medium | |
| 69494 | Which of the following expressions CANNOT be equal to 0 when x^2… | Medium | |
| 69569 | Find the value of a/b + b/a, if a and b are… | Medium | |
| 69680 | In the equation ax^2 + bx + c = 0 a, b… | Medium | |
| 69857 | If x^2+(1/x^2)=5, x^4+(1/x^4)= | Medium | |
| 70026 | If x^2 – 4x = 5, then one possible value of x… | Medium | |
| 70194 | If x and y are integers such that x^2= y and xy… | Medium | |
| 70236 | If f(x) = x^2/(x^5 - 1), what is f(1/x) in terms of… | Medium | |
| 70275 | Which of the following expressions CANNOT be equal to 0 when x^2… | Medium | |
| 70708 | If x is an integer, and 169 < x^2 <= 361, which… | Medium | |
| 70986 | If xy = 5 and x^2 + y^2 = 15, then x/y… | Medium | |
| 71085 | If x and y are integers such that x^2= 3y and xy… | Medium | |
| 71331 | If x is a number such that x^2 + 5x - 6… | Medium | |
| 71400 | If x^2=x -1, then x^3= | Medium | |
| 71921 | If x^2=x+3, then x^3= | Medium | |
| 73354 | In the xy-coordinate plane, the graph of y = -x^2 + 9… | Medium | |
| 73366 | If [[x]] = x^2 + 2x + 4, what is the value… | Medium | |
| 73394 | If f(x) = 4x − √x and g(x) = x^2, what is… | Medium | |
| 73780 | If (x^2 + 1)y=4, which of the following is not a possible… | Medium | |
| 74358 | Let f(x) = x^2 + bx + c | Medium | |
| 74710 | If x^2 + 1/x^2 = 9, what is the value of x^4… | Medium | |
| 74892 | x+(1/x) = 3 find x^2 + (1/x^2) | Medium | |
| 75012 | Which of the following equations has a root in common with x^2−3x+2=0… | Medium | |
| 75102 | In the equation ax^2 + bx + c = 0 a, b… | Medium | |
| 75170 | Let f(x) = x^2 + bx + c | Medium | |
| 75497 | If |x^2 − 20| = x, which of the following could be… | Medium | |
| 75690 | If x is an integer and (x)(x^2)(x^3)(x^6) is positive, which of the… | Medium | |
| 75806 | Let f(x) = x^2 + bx + c | Medium | |
| 75853 | In the xy-coordinate plane, the graph of y = -x^2 + 9… | Medium | |
| 76358 | If x and y are different integers and x^2 = xy, which… | Medium | |
| 76446 | If (x^2 + 1)y=5, which of the following is not a possible… | Medium | |
| 76628 | Which of the following expressions CANNOT be equal to 0 when x^2… | Medium | |
| 76647 | In the quadratic equation ax2 - 5x - 24 = 0, if… | Medium | |
| 76941 | If x^2 = 161, which of the following is closest to a… | Medium | |