Back to Elementary Algebra 2e

6.6 Divide Polynomials

Splitting a numerator over a monomial denominator term by term, then long division by a binomial, remainders written as a trailing fraction.

Elementary Algebra 2e, 6.6 Divide Polynomials

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63 exercises

6.6 Exercise 1

Before you get started, take this readiness quiz.

Add: 3d+xd.\frac{3}{d} + \frac{x}{d} .
If you missed this problem, review the reference.

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6.6 Exercise 2

Simplify: 30xy35xy.\frac{30 x y^{3}}{5 x y} .
If you missed this problem, review the reference.

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6.6 Exercise 3

Combine like terms: 8a2+12a+1+3a2−5a+4.8 a^{2} + 12 a + 1 + 3 a^{2} - 5 a + 4 .
If you missed this problem, review the reference.

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6.6 Exercise 4

Find the quotient: 7y2+217.\frac{7 y^{2} + 21}{7} .

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6.6 Exercise 5

Find the quotient: 8z2+244.\frac{8 z^{2} + 24}{4} .

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6.6 Exercise 6

Find the quotient: 18z2−279.\frac{18 z^{2} - 27}{9} .

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6.6 Exercise 7

Find the quotient: (18x3−36x2)÷6x.\left(18 x^{3} - 36 x^{2}\right) \div 6 x .

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6.6 Exercise 8

Find the quotient: (27b3−33b2)÷3b.\left(27 b^{3} - 33 b^{2}\right) \div 3 b .

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6.6 Exercise 9

Find the quotient: (25y3−55y2)÷5y.\left(25 y^{3} - 55 y^{2}\right) \div 5 y .

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6.6 Exercise 10

Find the quotient: 12d2−16d−4.\frac{12 d^{2} - 16 d}{−4} .

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6.6 Exercise 11

Find the quotient: 25y2−15y−5.\frac{25 y^{2} - 15 y}{−5} .

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6.6 Exercise 12

Find the quotient: 42b2−18b−6.\frac{42 b^{2} - 18 b}{−6} .

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6.6 Exercise 13

Find the quotient: 105y5+75y35y2.\frac{105 y^{5} + 75 y^{3}}{5 y^{2}} .

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6.6 Exercise 14

Find the quotient: 60d7+24d54d3.\frac{60 d^{7} + 24 d^{5}}{4 d^{3}} .

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6.6 Exercise 15

Find the quotient: 216p7−48p56p3.\frac{216 p^{7} - 48 p^{5}}{6 p^{3}} .

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6.6 Exercise 16

Find the quotient: (15x3y−35xy2)÷(−5xy).\left(15 x^{3} y - 35 x y^{2}\right) \div \left(−5 x y\right) .

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6.6 Exercise 17

Find the quotient: (32a2b−16ab2)÷(−8ab).\left(32 a^{2} b - 16 a b^{2}\right) \div \left(−8 a b\right) .

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6.6 Exercise 18

Find the quotient: (−48a8b4−36a6b5)÷(−6a3b3).\left(−48 a^{8} b^{4} - 36 a^{6} b^{5}\right) \div \left(−6 a^{3} b^{3}\right) .

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6.6 Exercise 19

Find the quotient: 36x3y2+27x2y2−9x2y39x2y.\frac{36 x^{3} y^{2} + 27 x^{2} y^{2} - 9 x^{2} y^{3}}{9 x^{2} y} .

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6.6 Exercise 20

Find the quotient: 40x3y2+24x2y2−16x2y38x2y.\frac{40 x^{3} y^{2} + 24 x^{2} y^{2} - 16 x^{2} y^{3}}{8 x^{2} y} .

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6.6 Exercise 21

Find the quotient: 35a4b2+14a4b3−42a2b47a2b2.\frac{35 a^{4} b^{2} + 14 a^{4} b^{3} - 42 a^{2} b^{4}}{7 a^{2} b^{2}} .

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6.6 Exercise 22

Find the quotient: 10x2+5x−205x.\frac{10 x^{2} + 5 x - 20}{5 x} .

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6.6 Exercise 23

Find the quotient: 18c2+6c−96c.\frac{18 c^{2} + 6 c - 9}{6 c} .

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6.6 Exercise 24

Find the quotient: 10d2−5d−25d.\frac{10 d^{2} - 5 d - 2}{5 d} .

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6.6 Exercise 26

Find the quotient: (y2+10y+21)÷(y+3).\left(y^{2} + 10 y + 21\right) \div \left(y + 3\right) .

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6.6 Exercise 27

Find the quotient: (m2+9m+20)÷(m+4).\left(m^{2} + 9 m + 20\right) \div \left(m + 4\right) .

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6.6 Exercise 29

Find the quotient: (2x2−3x−20)÷(x−4).\left(2 x^{2} - 3 x - 20\right) \div \left(x - 4\right) .

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6.6 Exercise 30

Find the quotient: (3x2−16x−12)÷(x−6).\left(3 x^{2} - 16 x - 12\right) \div \left(x - 6\right) .

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6.6 Exercise 32

Find the quotient: (x3+5x2+8x+6)÷(x+2).\left(x^{3} + 5 x^{2} + 8 x + 6\right) \div \left(x + 2\right) .

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6.6 Exercise 33

Find the quotient: (2x3+8x2+x−8)÷(x+1).\left(2 x^{3} + 8 x^{2} + x - 8\right) \div \left(x + 1\right) .

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6.6 Exercise 35

Find the quotient: (x3+3x+14)÷(x+2).\left(x^{3} + 3 x + 14\right) \div \left(x + 2\right) .

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6.6 Exercise 36

Find the quotient: (x4−3x3−1000)÷(x+5).\left(x^{4} - 3 x^{3} - 1000\right) \div \left(x + 5\right) .

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6.6 Exercise 38

Find the quotient: (x3−64)÷(x−4).\left(x^{3} - 64\right) \div \left(x - 4\right) .

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6.6 Exercise 39

Find the quotient: (125x3−8)÷(5x−2).\left(125 x^{3} - 8\right) \div \left(5 x - 2\right) .

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6.6 Exercise 41

Divide each polynomial by the monomial.

30b+755\frac{30 b + 75}{5}

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6.6 Exercise 43

Divide each polynomial by the monomial.

42x2−14x7\frac{42 x^{2} - 14 x}{7}

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6.6 Exercise 45

Divide each polynomial by the monomial.

(55w2−10w)÷5w\left(55 w^{2} - 10 w\right) \div 5 w

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6.6 Exercise 47

Divide each polynomial by the monomial.

(8x3+6x2)÷2x\left(8 x^{3} + 6 x^{2}\right) \div 2 x

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6.6 Exercise 49

Divide each polynomial by the monomial.

20b2−12b−4\frac{20 b^{2} - 12 b}{−4}

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6.6 Exercise 51

Divide each polynomial by the monomial.

51m4+72m3−3\frac{51 m^{4} + 72 m^{3}}{−3}

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6.6 Exercise 53

Divide each polynomial by the monomial.

412z8−48z54z3\frac{412 z^{8} - 48 z^{5}}{4 z^{3}}

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6.6 Exercise 55

Divide each polynomial by the monomial.

51y4+42y23y2\frac{51 y^{4} + 42 y^{2}}{3 y^{2}}

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6.6 Exercise 57

Divide each polynomial by the monomial.

(35x4−21x)÷(−7x)\left(35 x^{4} - 21 x\right) \div \left(−7 x\right)

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6.6 Exercise 59

Divide each polynomial by the monomial.

(48y4−24y3)÷(−8y2)\left(48 y^{4} - 24 y^{3}\right) \div \left(−8 y^{2}\right)

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6.6 Exercise 61

Divide each polynomial by the monomial.

(45x3y4+60xy2)÷(5xy)\left(45 x^{3} y^{4} + 60 x y^{2}\right) \div \left(5 x y\right)

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6.6 Exercise 63

Divide each polynomial by the monomial.

49c2d2−70c3d3−35c2d47cd2\frac{49 c^{2} d^{2} - 70 c^{3} d^{3} - 35 c^{2} d^{4}}{7 c d^{2}}

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6.6 Exercise 65

Divide each polynomial by the monomial.

72r5s2+132r4s3−96r3s512r2s2\frac{72 r^{5} s^{2} + 132 r^{4} s^{3} - 96 r^{3} s^{5}}{12 r^{2} s^{2}}

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6.6 Exercise 67

Divide each polynomial by the monomial.

12q2+3q−13q\frac{12 q^{2} + 3 q - 1}{3 q}

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6.6 Exercise 69

Divide each polynomial by the monomial.

20y2+12y−1−4y\frac{20 y^{2} + 12 y - 1}{−4 y}

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6.6 Exercise 71

Divide each polynomial by the monomial.

63a3−108a2+99a9a2\frac{63 a^{3} - 108 a^{2} + 99 a}{9 a^{2}}

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6.6 Exercise 73

Divide each polynomial by the binomial.

(d2+8d+12)÷(d+2)\left(d^{2} + 8 d + 12\right) \div \left(d + 2\right)

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6.6 Exercise 75

Divide each polynomial by the binomial.

(a2−2a−35)÷(a+5)\left(a^{2} - 2 a - 35\right) \div \left(a + 5\right)

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6.6 Exercise 77

Divide each polynomial by the binomial.

(x2−14x+49)÷(x−7)\left(x^{2} - 14 x + 49\right) \div \left(x - 7\right)

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6.6 Exercise 79

Divide each polynomial by the binomial.

(4x2−17x−15)÷(x−5)\left(4 x^{2} - 17 x - 15\right) \div \left(x - 5\right)

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6.6 Exercise 81

Divide each polynomial by the binomial.

(p2+11p+16)÷(p+8)\left(p^{2} + 11 p + 16\right) \div \left(p + 8\right)

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6.6 Exercise 83

Divide each polynomial by the binomial.

(x2+2x−30)÷(x−5)\left(x^{2} + 2 x - 30\right) \div \left(x - 5\right)

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6.6 Exercise 85

Divide each polynomial by the binomial.

(2n3−10n+24)÷(n+3)\left(2 n^{3} - 10 n + 24\right) \div \left(n + 3\right)

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6.6 Exercise 87

Divide each polynomial by the binomial.

(7q3−5q−2)÷(q−1)\left(7 q^{3} - 5 q - 2\right) \div \left(q - 1\right)

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6.6 Exercise 89

Divide each polynomial by the binomial.

(m3+1000)÷(m+10)\left(m^{3} + 1000\right) \div \left(m + 10\right)

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6.6 Exercise 91

Divide each polynomial by the binomial.

(x3−216)÷(x−6)\left(x^{3} - 216\right) \div \left(x - 6\right)

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6.6 Exercise 93

Divide each polynomial by the binomial.

(125y3−64)÷(5y−4)\left(125 y^{3} - 64\right) \div \left(5 y - 4\right)

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6.6 Exercise 95

Handshakes At a company meeting, every employee shakes hands with every other employee. The number of handshakes is given by the expression n2−n2\frac{n^{2} - n}{2}, where nn represents the number of employees. How many handshakes will there be if there are 10 employees at the meeting?

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6.6 Exercise 97

Divide 10x2+x−122x\frac{10 x^{2} + x - 12}{2 x} and explain with words how you get each term of the quotient.

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.