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Practice Test

Authored by Nandi Steyn

Mathematics

8th - 9th Grade

Used 2+ times

Practice Test
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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Choose all the like terms below:

2ab

6a26a^2  

-6ba

- 4ab24ab^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the coefficient of xx  ?

2x2−7x2x^2-7x  

2 x2x^2  

2

x

-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Collect the like terms for the following:

2ab−8cd+12ab−20cd2ab-8cd+12ab-20cd  

14ab−28cd14ab-28cd  

−14abcd-14abcd  

10ab−12cd10ab-12cd  

10abcd10abcd  

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify the following expressions: −2ab×5bc×2c-2ab\times5bc\times2c  

20abc220abc^2  

−20abc-20abc  

20a2b2c220a^2b^2c^2  

−20ab2c2-20ab^2c^2  

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify the following expressions:

−20xy−5y\frac{-20xy}{-5y}  

4x4x  

−4x-4x  

−4xy\frac{-4x}{y}  

xy\frac{x}{y}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify the following expressions:

3x2y4×−10xy53x^2y^4\times-10xy^5  

30xy1230xy^{12}  

30x3y930x^3y^9  

−30x3y9-30x^3y^9  

30xy1230xy^{12}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Simplify the following expressions:

−12xy818x10y-\frac{12xy^8}{18x^{10}y}  

32\frac{3}{2}  

6y7x86y^7x^8  

2y73x8\frac{2y^7}{3x^8}  

−2y73x8-\frac{2y^7}{3x^8}  

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