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Expressions and Formulae

Authored by Swisboisar 8

Mathematics

8th Grade

Used 109+ times

Expressions and Formulae
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2×x3x^2\times x^3  

 x6x^6  

 x5x^5  

 x1x^{-1}  

 x23x^{23}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3x4×x53x^4\times x^5  

 3x453x^{45}  

 3x93x^9  

 3x203x^{20}  

 x1x^{-1}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x7÷x3x^7\div x^3  

 x4x^4  

 x11x^{11}  

 x21x^{21}  

 x10x^{10}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 y3×y4 ÷y5y^3\times y^4\ \div y^5  

 y12y^{12}  

 y6y^6  

 y2y^2  

 y125y^{\frac{12}{5}}  

5.

OPEN ENDED QUESTION

5 mins • Ungraded

 Simplify: 3x2y+4x+5ySimplify:\ 3x-2y+4x+5y  

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6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 z5x3y5(x2y)2z3\frac{z^5x^3y^5}{\left(x^2y\right)^2z^3}  

 x1y2z3x^{-1}y^2z^3  

 x1y3z2x^{-1}y^3z^2  

 x5y2z8x^5y^2z^8  

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 Expand and Simplify: (x+6)(x+2)Expand\ and\ Simplify:\ \left(x+6\right)\left(x+2\right)  

 x2+4x+12x^2+4x+12  

 x22x+12x^2-2x+12  

 x2+8x+12x^2+8x+12  

None of the Above.

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