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1st - 6th Grade

7 Qs

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Assessment

Quiz

Mathematics

1st - 6th Grade

Hard

Created by

Ly Sivlinh

FREE Resource

7 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

10 mins • 1 pt


ចូរគណនាកន្សោម
 x2+7xx+49102x+4\frac{x^2+7x}{x+49}-\frac{10}{2x+4}  

 x23x+35(x7)(x+2)\frac{x^2-3x+35}{\left(x-7\right)\left(x+2\right)}  

 x3x+35(x+7)(x+2)\frac{x-3x+35}{\left(x+7\right)\left(x+2\right)}  

 x23x+35(x7)(x2)\frac{x^2-3x+35}{\left(x-7\right)\left(x-2\right)}  

 x23x35(x7)(x+2)\frac{x^2-3x-35}{\left(x-7\right)\left(x+2\right)}  

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt


ចូរគណនាកន្សោម
 2x53x+3x1\frac{2x-5}{3x}+3x-1  

 2x212x1(9x)(9+x)\frac{2x^2-12x-1}{\left(9-x\right)\left(9+x\right)}  

 2x212x181x2\frac{2x^2-12x-1}{81-x^2}  

 2x212x192x2\frac{2x^2-12x-1}{9^2-x^2}  

 2x212x1(9x)(9x)\frac{2x^2-12x-1}{\left(9-x\right)\left(9-x\right)}  

3.

MULTIPLE SELECT QUESTION

10 mins • 1 pt


ចូរគណនាកន្សោម
 100y1100y25yy+10\frac{100y-1}{100-y^2}-\frac{5y}{y+10}  

 5y240y1(10y)(10+y)\frac{5y^2-40y-1}{\left(10-y\right)\left(10+y\right)}  

 5y240y1102y2\frac{5y^2-40y-1}{10^2-y2}  

 5y240y1100y2\frac{5y^2-40y-1}{100-y2}  

 5y240y1(10y)(10y)\frac{5y^2-40y-1}{\left(10-y\right)\left(10-y\right)}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt


ចូរគណនាកន្សោម
 aa+2×3a+6a24a\frac{a}{a+2}\times\frac{3a+6}{a^2-4a}  

 3a4\frac{3}{a-4}  

 3a2a4\frac{3a^2}{a-4}  

 a43\frac{a-4}{3}  

 34a\frac{3}{4}a  

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

ចូរគណនាកន្សោម abb2a(a+b)÷b2a(a2b2)\frac{ab-b^2}{a\left(a+b\right)}\div\frac{b^2}{a\left(a^2-b^2\right)}  

 ab2b2a2+b2\frac{ab^2-b^2}{a^2+b^2}  

 (ab)(a+b)b(a+b)\frac{\left(a-b\right)\left(a+b\right)}{b\left(a+b\right)}  

 (a+b)(a+b)b(a+b)\frac{\left(a+b\right)\left(a+b\right)}{b\left(a+b\right)}  

 (ab)(ab)b(a+b)\frac{\left(a-b\right)\left(a-b\right)}{b\left(a+b\right)}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ចូលដាក់កន្សោមជាផលគុណកត្តាតាមវិធីគុណខ្វែង x211+30x^2-11+30  

 (x+6)(x+5)\left(x+6\right)\left(x+5\right)  

 (x6)(x+5)\left(x-6\right)\left(x+5\right)  

 (x+6)(x5)\left(x+6\right)\left(x-5\right)  

 (x6)(x5)\left(x-6\right)\left(x-5\right)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ចូលដាក់កន្សោមជាផលគុណកត្តាតាមវិធីគុណខ្វែង x2+2x15x^2+2x-15  

 (x3)(x+5)\left(x-3\right)\left(x+5\right)  

 (x3)(x5)\left(x-3\right)\left(x-5\right)  

 (x+3)(x+5)\left(x+3\right)\left(x+5\right)  

 (x1)(x+5)\left(x-1\right)\left(x+5\right)