Rational Expressions Review

Rational Expressions Review

8th Grade

5 Qs

quiz-placeholder

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Rational Expressions Review

Rational Expressions Review

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Lisa MacLaren

Used 2+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify.

 15n30n3\frac{15n}{30n^3}  

 12n2\frac{1}{2}n^2  

 12n2\frac{1}{2n^2}  

 2n22n^2  

 2n2\frac{2}{n^2}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify.

  3x+7 + 4x8\frac{3}{x+7}\ +\ \frac{4}{x-8}  

 (7x11)(x+7)(x8)\frac{\left(7x-11\right)}{\left(x+7\right)\left(x-8\right)}  

 (7x+4)(x+7)(x8)\frac{\left(7x+4\right)}{\left(x+7\right)\left(x-8\right)}  

 (7x+4)(x7)(x+8)\frac{\left(7x+4\right)}{\left(x-7\right)\left(x+8\right)}  

 (7x11)(x7)(x+8)\frac{\left(7x-11\right)}{\left(x-7\right)\left(x+8\right)}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify

 73  8(12x8)\frac{7}{3}\ -\ \frac{8}{\left(12x-8\right)}  

 (12x15)(12x8)\frac{\left(12x-15\right)}{\left(12x-8\right)}  

 (21x20)(36x24)\frac{\left(21x-20\right)}{\left(36x-24\right)}  

 (12x15)(9x6)\frac{\left(12x-15\right)}{\left(9x-6\right)}  

 (21x20)(9x6)\frac{\left(21x-20\right)}{\left(9x-6\right)}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify.

 9(r+4)(r+4) × 9r9(r5)\frac{9\left(r+4\right)}{\left(r+4\right)}\ \times\ \frac{9r}{9\left(r-5\right)}  

 (r+4)(5r20)\frac{\left(r+4\right)}{\left(-5r-20\right)}  

 15r-\frac{1}{5}r  

 9rr5\frac{9r}{r-5}  

 81r9r45\frac{81r}{9r-45}  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Simplify.

 6(28x+4) ÷ 12(35x+5)\frac{6}{\left(28x+4\right)}\ \div\ \frac{12}{\left(35x+5\right)}  

 58\frac{5}{8}  

 54\frac{5}{4}  

 3 353\ \frac{3}{5}  

 3048\frac{30}{48}