2nd Semester Algebra Review

2nd Semester Algebra Review

9th Grade

20 Qs

quiz-placeholder

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2nd Semester Algebra Review

2nd Semester Algebra Review

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Brandon Humbert

Used 47+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the solution of the system found from the graph below?

(1,1)\left(1,1\right)

(4,1)\left(-4,1\right)

(1,4)\left(1,-4\right)

(1,4)\left(-1,-4\right)

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

For the above graph, check all statements that are true. (more than one can apply)

The lines are parallel

The system has infinitely many solutions.

The system has no solutions.

the solution to the system is (0, 0)

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Media Image

For the given system, check all the steps used to solve the system. (more than one answer may apply) 

Reminder that you may solve the problem with different steps, but that does not mean the ones listed do no apply.


 3x2=7x+183x-2=-7x+18  

 10x2=1810x-2=18  

 10x=2010x=20  

 x=2x=2  

 y=7(2)+18y=-7\left(2\right)+18  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When solving the sytem:

 y=2x8y=-2x-8  
 2x+5y=162x+5y=-16  
The first step is given, what is the best answer for the next step according to notes the class.
 2x+5(2x8)=162x+5\left(-2x-8\right)=-16  

 2x10x40=162x-10x-40=-16  

 x=3x=-3  

 y=2y=-2  

 y=238y=-2\cdot-3-8  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the given system, when solving by Elimination Method, what is a good explanation of the first step in eliminating one of the variables according to our notes and examples from class?
 18x5y=2518x-5y=-25  
 9x3y=15-9x-3y=-15  

Eliminate one variable by adding the equations.

Eliminate one variable by subtracting the equations.

Multiply the 2nd equation by 2, in order to get opposites.

Solve the equation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When simplifying the expression  (7x3)(6x5)\left(7x^3\right)\cdot\left(6x^5\right)  , what is the best explanation for combining the exponents?

Remove parentheses

When multiplying expressions, add the exponents.

When multiplying, multiply the exponents.

Calculate the product

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

When simplifying the expression  (2x3y2)3\left(\frac{2x}{3y^2}\right)^3  , check all of the exponent rules that apply to simplifying the problem.

 a0=1a^0=1  

 (am)n=amn\left(a^m\right)^n=a^{mn}  

 (ab)m=ambn\left(\frac{a}{b}\right)^m=\frac{a^m}{b^n}  

 aman=amn\frac{a^m}{a^n}=a^{m-n}  

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