Rational Expressions
Practice simplifying and solving rational expressions and equations.
34 questions
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Which expression is equivalent to 4 ⁄ 4x − 5 − 1 ⁄ x + 1 ?
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(3a)(4a) ⁄ 6(6a 2 ) =
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(5a + 7b)b ⁄ (b + 2b) =
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When a = –2, 7a ⁄ a 2 + a =
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When x = –2, y 2 ⁄ x 2 + y ⁄ –2x =
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When p = 6, 4p(p + r) ⁄ pr =
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When c = 1 and d = 4, (cd) 2 ⁄ c + d =
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When x = 2 and y = 3, 6x 2 ⁄ 2y 2 + 4x ⁄ 3y =
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If 3c 2 ⁄ 6c + 9 = 15, what is the value of c?
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If w ⁄ w + 8 = – 6 ⁄ 18 , what is the value of w?
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If 10x ⁄ 7 = 5x – 10 ⁄ 3 , what is the value of x?
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If 4a + 4 ⁄ 7 = – 2 – 3a ⁄ 4 , what is the value of a?
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If 6 ⁄ –y – 1 = – 10 ⁄ –2y – 3 , what is the value of y?
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If 5g ⁄ g = g + 7 ⁄ g – 1 , what is the value of g?
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For what value of x is the fraction –8 ⁄ x – 8 undefined?
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For what value of d is the fraction 3d ⁄ 6d undefined?
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For what value of a is the fraction 2a – 18 ⁄ 6a + 18 – 4a undefined?
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For what value of y is the fraction 3y – 6 ⁄ 8 – 8y + 4 undefined?
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For what values of x is the fraction 2x + 10 ⁄ 2x(x – 5) undefined?
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The fraction (x + 9) ⁄ (x 2 – 81) is equivalent to
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The fraction (x 2 – 6x – 16) ⁄ (x 2 – x – 56) is equivalent to
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The fraction (x 2 – 4x – 45) ⁄ (x 2 + 11x + 30) is equivalent to
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The fraction (x 2 + 14x + 33) ⁄ (x 2 + 8x – 33) is equivalent to
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What is one value that makes the fraction (4x – 8) ⁄ (x 2 + x – 42) undefined?
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What values make the fraction (x 2 + 8x + 7) ⁄ (x 2 – 8x + 7) undefined?
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What is one value that makes the fraction (x – 16) ⁄ (x 2 – 16) undefined?
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What is one value that makes the fraction (x 2 ) ⁄ (9x 2 – 1) undefined?
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What values make the fraction (x 2 – 36) ⁄ (2x 2 – 25x + 72) undefined?
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The fraction (x 2 + 8x) ⁄ (x 3 – 64x) is equivalent to
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The fraction (x 2 + 6x + 5) ⁄ (x 3 – 25x) is equivalent to
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The fraction (2x 2 + 4x) ⁄ (4x 3 – 16x 2 – 48x) is equivalent to
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What is one value that makes the fraction (x 2 – 25) ⁄ (x 3 + 125) undefined?
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What values make the fraction (x 2 + 7x + 12) ⁄ (x 3 + 3x 2 – 4x) undefined?
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What is one value that makes the fraction (x 2 + 11x + 30) ⁄ (4x 3 + 44x 2 + 120x) undefined?
Medium