Question 1

Solve the system of equations using the substitution method.

Accepted Answer

A)  Infinitely many solutions 
B)    
C)    
D)  No solution 
A)  Infinitely many solutions 
B)    
C)    
D)  No solution

Question 2

Graphically determine the solution to the system of equations. Clearly label and scale all graphs. Identify the system as consistent or inconsistent.

Accepted Answer

@#IMG-DLM& No soluti

Question 3

You just inherited $15000. You are willing to invest up to the entire amount. The plan is to invest some of it in a bond fund that yields 5% per year and the rest of the invested amount in a stock fund that yields 8% per year. You want at least $900 in investment income per year. Let b be the amount you invest in the bond fund and let s be the amount that you invest in the stock fund. Is   in the solution set of this system of inequalities?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 4

Solve the exponential equation   for   . Round to the nearest thousandth.

Accepted Answer

A)  0.604 
B)  6.611 
C)  -0.274 
D)  1.604 
E)  -0.230 
A)  0.604 
B)  6.611 
C)  -0.274 
D)  1.604 
E)  -0.230

Question 5

Test to determine whether the given point is in the solution set of the system of inequalities.

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 6

Determine whether the given point is in the solution set of the system of inequalities graphed below.

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 7

To graph an inequality of the form   a __________ line is used.

Accepted Answer

The answer of To graph an inequality of the form...

Question 8

You need to mix a 20% saline solution with a 36% saline solution to make a 30% saline solution. You need a total of 16 ounces in the mix. How many ounces of the 20% saline solution and the 36% saline solution should you use?

Accepted Answer

6 ounces of 20% sali

Question 9

Solve the system of equations using the substitution method.

Accepted Answer

A)    
B)    
C)    
D)  No solution 
A)    
B)    
C)    
D)  No solution

Question 10

Graph the solution set for the system of inequalities.

Accepted Answer

The answer of Graph the solution set for the system...

Question 11

Graph the solution set of the linear inequality.

Accepted Answer

The answer of Graph the solution set of the linear...

Question 12

You have $5000 to invest. Part of the money will be invested in a CD earning 2% simple interest and the rest in a bond fund earning 3% interest. In one year you will earn $122.50 in interest. 
 How much did you invest in each account?

Accepted Answer

$2750 in t

Question 13

As a first step in solving the system by the method of elimination you multiply the first equation by 5 and the second equation by 2.   Your result is   . Is this correct?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 14

For the system   is   a solution to the system?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 15

As a first step in solving the system by the method of elimination you add together the two equations.   Your resulting equation is   . Is this a true statement?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 16

Determine whether the given point is in the solution set of the system of inequalities graphed below.

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 17

A system of linear equations is __________ if it has no solutions.

Accepted Answer

The answer of A system of linear equations is __________...

Question 18

Which one of the following graphs represents the function   ?

Accepted Answer

A)    
B)    
C)    
D)  None of these options 
E)    
A)    
B)    
C)    
D)  None of these options 
E)

Question 19

Evaluate the expression   . Round to the nearest thousandth.

Accepted Answer

A)  -12.000 
B)  1.511 
C)  -0.255 
D)  -0.328 
E)  1.839 
A)  -12.000 
B)  1.511 
C)  -0.255 
D)  -0.328 
E)  1.839

Question 20

You have $15000 to invest. Part of the money will be invested in a CD earning 2.5% simple interest and the rest in a bond fund earning 4% interest. In one year you will earn $536.25 in interest. 
 How much did you invest in each account?

Accepted Answer

$4250 in t

Solve the system of equations using the substitution method.

Graphically determine the solution to the system of equations. Clearly label and scale all graphs. Identify the system as consistent or inconsistent.

Solve the exponential equation for . Round to the nearest thousandth.

Test to determine whether the given point is in the solution set of the system of inequalities.

Determine whether the given point is in the solution set of the system of inequalities graphed below.

To graph an inequality of the form a __________ line is used.

You need to mix a 20% saline solution with a 36% saline solution to make a 30% saline solution. You need a total of 16 ounces in the mix. How many ounces of the 20% saline solution and the 36% saline solution should you use?

Solve the system of equations using the substitution method.

Graph the solution set for the system of inequalities.

Graph the solution set of the linear inequality.

You have $5000 to invest. Part of the money will be invested in a CD earning 2% simple interest and the rest in a bond fund earning 3% interest. In one year you will earn $122.50 in interest. How much did you invest in each account?

As a first step in solving the system by the method of elimination you multiply the first equation by 5 and the second equation by 2. Your result is . Is this correct?

For the system is a solution to the system?

As a first step in solving the system by the method of elimination you add together the two equations. Your resulting equation is . Is this a true statement?

Determine whether the given point is in the solution set of the system of inequalities graphed below.

A system of linear equations is __________ if it has no solutions.

Which one of the following graphs represents the function ?

Evaluate the expression . Round to the nearest thousandth.

You have $15000 to invest. Part of the money will be invested in a CD earning 2.5% simple interest and the rest in a bond fund earning 4% interest. In one year you will earn $536.25 in interest. How much did you invest in each account?

Building Blocks of Algebra

Linear Equations and Inequalities With One Variable

Linear Equations With Two Variables

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters

Exam 4: Systems of Linear Equations

Solve the system of equations using the substitution method.

Graphically determine the solution to the system of equations. Clearly label and scale all graphs. Identify the system as consistent or inconsistent.

Solve the exponential equation for . Round to the nearest thousandth.

Test to determine whether the given point is in the solution set of the system of inequalities.

Determine whether the given point is in the solution set of the system of inequalities graphed below.

To graph an inequality of the form a __________ line is used.

You need to mix a 20% saline solution with a 36% saline solution to make a 30% saline solution. You need a total of 16 ounces in the mix. How many ounces of the 20% saline solution and the 36% saline solution should you use?

Solve the system of equations using the substitution method.

Graph the solution set for the system of inequalities.

Graph the solution set of the linear inequality.

You have $5000 to invest. Part of the money will be invested in a CD earning 2% simple interest and the rest in a bond fund earning 3% interest. In one year you will earn $122.50 in interest. How much did you invest in each account?

As a first step in solving the system by the method of elimination you multiply the first equation by 5 and the second equation by 2. Your result is . Is this correct?

For the system is a solution to the system?

As a first step in solving the system by the method of elimination you add together the two equations. Your resulting equation is . Is this a true statement?

Determine whether the given point is in the solution set of the system of inequalities graphed below.

A system of linear equations is __________ if it has no solutions.

Which one of the following graphs represents the function ?

Evaluate the expression . Round to the nearest thousandth.

You have $15000 to invest. Part of the money will be invested in a CD earning 2.5% simple interest and the rest in a bond fund earning 4% interest. In one year you will earn $536.25 in interest. How much did you invest in each account?

Building Blocks of Algebra

Linear Equations and Inequalities With One Variable

Linear Equations With Two Variables

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters