Chapter 13: Practice Set 2 (31-47)

Chapter 13: Practice Set 2 (31-47)

7th - 8th Grade

11 Qs

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Chapter 13: Practice Set 2 (31-47)

Chapter 13: Practice Set 2 (31-47)

Assessment

Quiz

Other, Other

7th - 8th Grade

Medium

Created by

Ms. Johnson

Used 17+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

31.  6+2(9+4)(5+1)3(2)=-6+2\left(9+4\right)-\left(5+1\right)-3\left(-2\right)=  

 20-20  

 88  

 2020  

 3131  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

32.  5×x+5(5x+25)=5\times x+5-\left(5x+25\right)=  

 20x100-20x-100  

 20-20  

 3030  

 5050  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

33. If x = 7, what is the value of  3(xx2)  ?3(x−x^2)\ \ ?  

 147-147  

 126-126  

 42-42  

 126126  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

34.  72+42(7+4)2=7^2+4^2-\left(7+4\right)^2=  

 56-56  

 28-28  

 00  

 4444  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

35.  (3×9+5)(3×5+9)=\left(3\times9+5\right)-\left(3\times5+9\right)=  

 8-8  

 00  

 88  

 154154  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

36. Simplify this expression:  2(104)22\left(10-4\right)^2  

 3636  

 7272  

 144144  

 168168  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

37. Simplify this expression:  3x×6x2\frac{3}{x}\times\frac{6x}{2}  

 32x\frac{3}{2x}  

 92x\frac{9}{2x}  

 9x\frac{9}{x}  

 99  

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