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Equivalent Expressions

Math · Advanced Math · 79 questions · every one comes with a full explanation.

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  1. 1The equation above is true for all x, where a and b are constants. What is the value of ab ?Hard · Advanced Math
  2. 2Which of the following expressions is(are) a factor of 3 x 2 + 20 x - 63 ? x - 9 3 x - 7Hard · Advanced Math
  3. 3If for all positive values of x, what is the value of ?Hard · Advanced Math
  4. 4The equation above is true for all , where r and t are positive constants. What is the value of rt ?Hard · Advanced Math
  5. 570n570n62 For what value of x is the given expression equivalent to 70n30x, where n>1?Hard · Advanced Math
  6. 6The expression 3x-2319x+6 is equivalent to the expression ax2+bx+c, where a , b , and c are constants. What is the value of b ?Hard · Advanced Math
  7. 7Which expression is equivalent to 4 4 x - 5 - 1 x + 1 ?Hard · Advanced Math
  8. 8In the expression above, b and c are positive integers. If the expression is equivalent to and , which of the following could be the value of c ?Hard · Advanced Math
  9. 90.36 x 2 + 0.63 x + 1.17 The given expression can be rewritten as a4x2+7x+13, where a is a constant. What is the value of a ?Hard · Advanced Math
  10. 10In the expression , p is a constant. This expression is equivalent to the expression . What is the value of p ?Hard · Advanced Math
  11. 11The expression , where and , is equivalent to which of the following?Hard · Advanced Math
  12. 12The expression 4 x 2 + b x - 45 , where b is a constant, can be rewritten as hx+kx+j, where h , k , and j are integer constants. Which of the following mustHard · Advanced Math
  13. 13Which of the following expressions is equivalent to , for ?Hard · Advanced Math
  14. 14The expression can be rewritten as , where k is a positive constant. What is the value of k ?Hard · Advanced Math
  15. 15Which of the following is equivalent to ?Hard · Advanced Math
  16. 16Which expression is equivalent to y+12x-8+yx-8x2y-8xy?Hard · Advanced Math
  17. 17One of the factors of 2 x 3 + 42 x 2 + 208 x is x + b , where b is a positive constant. What is the smallest possible value of b ?Hard · Advanced Math
  18. 18The equation is true for all , where a and d are integers. What is the value of ?Hard · Advanced Math
  19. 19Which of the following expressions is equivalent to ?Hard · Advanced Math
  20. 20The expression above can be written in the form , where a and b are constants. What is the value of ?Hard · Advanced Math
  21. 21The expression 635x455·28x8 is equivalent to a x b , where a and b are positive constants and x>1. What is the value of a + b ?Hard · Advanced Math
  22. 22If , which of the following is equivalent to the expression ?Hard · Advanced Math
  23. 23If a and c are positive numbers, which of the following is equivalent to ?Hard · Advanced Math