Question which-
Which expression is equivalent to ?
Which expression is equivalent to 4 4 x - 5 - 1 x + 1 ?
Hard-difficulty · SAT Math · Equivalent Expressions — Simplifying polynomials. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice D is correct. The expression can be rewritten as . To add the two terms of this expression, the terms can be rewritten with a common denominator. Since , the expression can be rewritten as . Since , the expression can be rewritten as . Therefore, the expression can be rewritten as , which is equivalent to . Applying the distributive property to each term of the numerator yields , or . Adding like terms in the numerator yields .
Choice A is incorrect and may result from conceptual or calculation errors.
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
More Equivalent Expressions practice questions
- 0.36 x 2 + 0.63 x + 1.17 The given expression can be rewritten
- Which expression is equivalent to 2 x 2 + x - 9 + x
- Which of the following is equivalent to the expression above?
- In the expression , p is a constant. This expression is equivalent to the
- Which expression is equivalent to 8 x 3 + 8 - x 3 -
- Which of the following is equivalent to , where ?
- Which expression is equivalent to 256 w 2 - 676 ?
- Which expression is equivalent to 9 x + 6 x + 2 y +
Browse all Passport to Advanced Math practice questions or return to the full SAT question bank.