Least Common Multiple

Least Common Multiple

11th - 12th Grade

7 Qs

quiz-placeholder

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Least Common Multiple

Least Common Multiple

Assessment

Quiz

Mathematics

11th - 12th Grade

Medium

Created by

Tristan Jesby

Used 23+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 LCM  (x21, x1)\left(x^2-1,\ x-1\right)  =

 (x+1)(x1)\left(x+1\right)\left(x-1\right)  

 (x21)\left(x^2-1\right)  

 (x1)2\left(x-1\right)^2  

 (x1)2(x+1)\left(x-1\right)^2\left(x+1\right)  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

LCM  (x2+5x+6, 2x2+2x4)\left(x^2+5x+6,\ 2x^2+2x-4\right)  

 2(x+3)(x+2)(x1)2\cdot\left(x+3\right)\left(x+2\right)\left(x-1\right)  

 2(x+3)(x+2)2(x1)2\cdot\left(x+3\right)\left(x+2\right)^2\left(x-1\right)  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

LCM (18x2y2z3, 16xy2z2)\left(18x^2y^2z^3,\ 16xy^2z^2\right)  

 144x2y2z3144x^2y^2z^3  

 288x2y2z3288x^2y^2z^3  

 96x2y2z396x^2y^2z^3  

 128x2y2z3128x^2y^2z^3  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

LCM ( 9 and 12)\left(\ 9\ and\ 12\right)  

3

108

36

63

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 LCM (27 and 18)\left(27\ and\ 18\right) 

486

81

54

9

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the LCM: (k2+6k+9, 9k4+27k3)\left(k^2+6k+9,\ 9k^4+27k^3\right)  

 9k3(k+3)39k^3\left(k+3\right)^3  

 9k3(k+3)29k^3\left(k+3\right)^2  

 (k+3)2\left(k+3\right)^2  

 3k3(k+3)2(3k+9)3k^3\left(k+3\right)^2\left(3k+9\right)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the LCM: (15s, 5s3+20s2)\left(15s,\ 5s^3+20s^2\right)  

 15s3(s+4)15s^3\left(s+4\right)  

 75s2(s+4)75s^2\left(s+4\right)  

 15s2(s+4)15s^2\left(s+4\right)  

 75s3(s+4)75s^3\left(s+4\right)