Multiply/Divide Rationals Review

Multiply/Divide Rationals Review

8 Qs

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Divide Rational Expressions

Divide Rational Expressions

Multiply/Divide Rationals Review

Multiply/Divide Rationals Review

Assessment

Quiz

Practice Problem

Easy

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Gabriella Sanzari

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 a25a14a7÷a2a65a3+30a2\frac{a^2-5a-14}{a-7}\div\frac{a^2-a-6}{5a^3+30a^2}  

 a+915a\frac{a+9}{15a} 

 5a2(a+6)a3\frac{5a^2\left(a+6\right)}{a-3}  

 1a1\frac{1}{a-1}  

 9aa+9\frac{9a}{a+9}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 b4b2+14b40÷b2+6b+8b23b70\frac{b-4}{b^2+14b-40}\div\frac{b^2+6b+8}{b^2-3b-70}  

 b36\frac{b-3}{6}  

 2b9\frac{2b}{9}  

 5b(b6)7\frac{5b\left(b-6\right)}{7}  

 b+7(b+4)(b+2)\frac{b+7}{\left(b+4\right)\left(b+2\right)}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 x2+3x183x+18÷x2+7x30x2+x90\frac{x^2+3x-18}{3x+18}\div\frac{x^2+7x-30}{x^2+x-90}  

 3x2(x9)3x^2\left(x-9\right)  

 x93\frac{x-9}{3}  

 x+760\frac{x+7}{60}  

 (x3)(x+10)\left(x-3\right)\left(x+10\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 8n10n2+40n÷n2+10n+1610n2+20n\frac{8n}{10n^2+40n}\div\frac{n^2+10n+16}{10n^2+20n}  

 8n(n+4)(n+8)\frac{8n}{\left(n+4\right)\left(n+8\right)}  

 80n280n^2  

 n47(n10)\frac{n-4}{7\left(n-10\right)}  

 32n2n3\frac{32n^2}{n-3}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 10m2010m+70×m2+8m+7m+1\frac{10m-20}{10m+70}\times\frac{m^2+8m+7}{m+1}  

 m+23\frac{m+2}{3}  

 320\frac{3}{20}  

 m2m-2  

 m+4m+7\frac{m+4}{m+7}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 16n56n211n+30÷10n35n211n+30\frac{16n-56}{n^2-11n+30}\div\frac{10n-35}{n^2-11n+30}  

 n+7n+8\frac{n+7}{n+8}  

 1010  

 85\frac{8}{5}  

 7(n1)n5\frac{7\left(n-1\right)}{n-5}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 n2+10n+980×8n2+10n+9\frac{n^2+10n+9}{80}\times\frac{8}{n^2+10n+9}  



 6464  

 27n3n+6\frac{27n^3}{n+6}  

 110\frac{1}{10}  

 7n(n+10)6\frac{7n\left(n+10\right)}{6}  

8.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt