| 28937 | If |x^2 − 6| = x, which of the following could be… | Medium | |
| 29001 | If x^2+(1/x^2)=9, x^4+(1/x^4)= | Medium | |
| 29119 | x+(1/x) = 2 find x^2 + (1/x^2) | Medium | |
| 29417 | Which of the following describes all values of x for which 2–x^2… | Medium | |
| 29871 | In the xy-coordinate plane, the graph of y = -x^2 + 9… | Medium | |
| 30871 | The area of one square is x^2 + 6x + 9 and… | Medium | |
| 31528 | As x increases from 169 to 155, which of the following must… | Medium | |
| 31863 | Which of the following describes all values of x for which 36–x^2… | Medium | |
| 31954 | If x > 7, which of the following is equal to (x^2… | Medium | |
| 32205 | Which of the following describes all values of x for which 1–x^2… | Medium | |
| 32878 | For what value of x between −8 and 8, inclusive, is the… | Medium | |
| 33607 | If x^2 + 9/x^2 = 42, what is the value of x… | Medium | |
| 33647 | Which of the following describes all values of x for which 4-x^2… | Medium | |
| 33673 | If x#y is defined to equal x^2/y for all x and y… | Medium | |
| 33704 | If x^2=3x+1, then x^3 = | Medium | |
| 34296 | If x^2+(1/x^2)=7, x^4+(1/x^4)= | Medium | |
| 34355 | If xy = 2 and x^2 + y^2 = 12, then x/y… | Medium | |
| 35978 | If [[x]] = x^2 + 2x + 4, what is the value… | Medium | |
| 36721 | Let f(x) = x^2 + bx + c | Medium | |
| 37266 | Let y = 2g + x^2 and g = 4x + 1 | Medium | |
| 37858 | If x and y are integers such that x^2-2x+2y+4=2x^2-3x+y-2, we can deduce… | Medium | |
| 38096 | x+(1/x) = 4 find x^2 + (1/x^2) | Medium | |
| 38220 | The sum of all solutions for x in the equation x^2 –… | Medium | |
| 38306 | Find the value of x from the below equation | Medium | |
| 38942 | If x is an integer and (x)(x^2)(x^3)(x^8) is positive, which of the… | Medium | |
| 40026 | If x^2 = 191, which of the following is closest to a… | Medium | |
| 40631 | Let f(x) = x^2 + bx + c | Medium | |
| 40939 | If x^2 + 1/x^2 = 2,what is the value of x^4 +… | Medium | |
| 41110 | If x is an integer, and 196 < x^2 <= 361, which… | Medium | |
| 41172 | If x≠2 and (x^2 - 4)/(2y) = (x - 2)/4, then in… | Medium | |
| 41191 | What is the product of all the possible values of x if… | Medium | |
| 41626 | In the equation ax^2 + bx + c = 0 a, b… | Medium | |
| 41906 | If xy = 5 and x^2 + y^2 = 20, then x/y… | Medium | |
| 41954 | In the equation ax^2 + bx + c = 0 a, b… | Medium | |
| 42195 | If xy not equal 0 and x^2*y^2 -xy =56, which of the… | Medium | |
| 42211 | A(8, w^2) is the (x, y) coordinate of point located on the… | Medium | |
| 43635 | If x + y = 11 and x – y = 3… | Medium | |
| 43982 | If x^2=2x+2, then x^3 = | Medium | |
| 43996 | If x+y=-4, and x=6/y, what is the value of x^2+y^2 | Medium | |
| 44295 | If f(x) = 12 - x^2/2 and f(2k) = 7k, what is… | Medium | |
| 44342 | If x, y, and z are positive integers such that x^2 +… | Medium | |
| 44522 | If x≠6 and (x^2 - 36)/(2y) = (x - 6)/4, then in… | Medium | |
| 45106 | For what value of x between − 9 and 9, inclusive, is… | Medium | |
| 45315 | If f(x) = 12 - x^2/2 and f(2k) = 6k, what is… | Medium | |
| 45789 | If x and y are integers such that x^2= 2y and xy… | Medium | |
| 45843 | Which of the following equations has a solution in common with x^2… | Medium | |
| 45883 | If (x/y)=(10/5), find the value (x^2+y^2)/(x^2-y^2) | Medium | |
| 46272 | If x^2 = 111, which of the following is closest to a… | Medium | |
| 46440 | If x > 7, which of the following is equal to (x^2… | Medium | |
| 46604 | If xy not equal 0 and x^2*y^2 -xy = 20, which of… | Medium | |