| 76961 | If x#y is defined to equal x^2/y for all x and y… | Medium | |
| 76977 | The area of one square is x^2 + 10x + 25 and… | Medium | |
| 76987 | If x^2 + y^2 = 13 and xy = 3, then (x… | Medium | |
| 77394 | If (4 - x)/(5 + x) = x, what is the value… | Medium | |
| 77414 | If x and y are integers such that x^2+4x+2y+6=2x^2+5x+y-6, we can deduce… | Medium | |
| 77485 | Solve the following quadratic equation by factoring | Medium | |
| 77512 | If x, y, and z are positive integers such that x^2 +… | Medium | |
| 77976 | If f(x) =6* (x^4 - 1)/(x^2), what is f(1/x) in terms of… | Medium | |
| 78204 | If (x^2 + 2x - 9)/2 ≤ x -4, then x could… | Medium | |
| 78239 | If xy not equal 0 and x^2*y^2 -xy = 42, which of… | Medium | |
| 78632 | If x and y are integers such that x^2+2x+2y+3=2x^2+3x+y+1, we can deduce… | Medium | |
| 78871 | If (x/y)=(11/5), find the value (x^2+y^2)/(x^2-y^2) | Medium | |
| 79059 | Let y = 2g + x^2 and g = 5x + 1 | Medium | |
| 79190 | If 0 < x < 1 and x ≠ 0, which of… | Medium | |
| 79274 | Which of the following describes all values of x for which 16-x^2… | Medium | |
| 79808 | If (5 - x)/(7 + x) = x, what is the value… | Medium | |
| 79992 | y = x^2 + bx + 512 cuts the x axis at… | Medium | |
| 80128 | If a and b are the roots of the equation x2 -… | Medium | |
| 80130 | Find the value of a/b + b/a, if a and b are… | Medium | |
| 80425 | What is the product of all the possible values of x if… | Medium | |
| 80551 | The value of 1/(1-x) + 1/ (1+x) + 2/(1+x^2) + 4/(1+x^4) | Medium | |
| 81261 | If x^2−2ax+a^2=0 get value of x/a | Medium | |
| 81471 | In the xy-coordinate plane, the graph of y = -x^2 + 4… | Medium | |
| 81622 | If x > 7, which of the following is equal to (x^2… | Medium | |
| 82396 | If |x^2 − 42| = x, which of the following could be… | Medium | |
| 82480 | Let f(x) = x^2 + bx + c | Medium | |
| 83014 | If x^2 + y^2 = 15 and xy = 3, then (x… | Medium | |
| 83073 | The area of one square is x^2 + 8x + 16 and… | Medium | |
| 83771 | If x and y are positive integers, and 4x^2=2y, then which of… | Medium | |
| 83873 | If x^2 + 9/x^2 = 7, what is the value of x… | Medium | |
| 84346 | If x is a number such that x^2 + 4x - 5… | Medium | |
| 84473 | If x^2 + 1/x^2 = √12, what is the value of x^4… | Medium | |
| 84645 | The area of one square is x^2 + 8x + 16 and… | Medium | |
| 84701 | If x^2=x+2, then x^3 = | Medium | |
| 84727 | If 5 is one solution of the equation x^2 + 3x +… | Medium | |
| 84929 | If [[x]] = x^2 + 2x + 4, what is the value… | Medium | |
| 84961 | If a and b are the roots of the equation x2 -… | Medium | |
| 85883 | If x ≠ 0 and x - (2+ x^2)/x = y/x, then… | Medium | |
| 85900 | If x and y are different integers and x^2 = xy, which… | Medium | |
| 85908 | x+(1/x) = 2.5 find x^2 + (1/x^2) | Medium | |
| 86102 | If x and y are different integers and x^2 = xy, which… | Medium | |
| 86297 | If x and y are integers such that x^2-2x+2y+3=2x^2-3x+y+1, we can deduce… | Medium | |
| 86314 | For what value of x between − 6 and 6, inclusive, is… | Medium | |
| 86367 | If –1 < x <0 and x ≠ 0, which of the… | Medium | |
| 86661 | If (x - 1)(x - 2) = x^2 + x, what is… | Medium | |
| 86940 | If x^2 – 2y^2 = 2xy, then (x - y)^2 = | Medium | |
| 87331 | Let y = 2g + x^2 and g = 5x + 1 | Medium | |
| 87536 | What is the range of all the roots of |x^2 - 6|… | Medium | |
| 87571 | If x and y are different integers and x^2 = xy, which… | Medium | |
| 87841 | If x^2 − 2x − 15 = (x + r)( x +… | Medium | |