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Exam 4: Systems of Linear Equations

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Exam 1: The Basics329 Questionsadd course
Exam 2: Linear Equations and Inequalities310 Questionsadd course
Exam 3: Linear Equations and Inequalities in Two Variables155 Questionsadd course
Exam 4: Systems of Linear Equations135 Questionsadd course
Exam 5: Exponents and Polynomials300 Questionsadd course
Exam 6: Factoring295 Questionsadd course
Exam 7: Rational Expressions302 Questionsadd course
Exam 8: Roots and Radicals215 Questionsadd course
Exam 9: Quadratic Equations212 Questionsadd course
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Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. Solve the system by substitution. Substitute the expression in the second equation into the first equation and solve. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Question 1
Correct Answer:
Verified

B

Solve the system by eliminating the Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. variable. Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. If the system is dependent or inconsistent , indicate this.

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Question 2
Correct Answer:
Verified

Solve the system by eliminating the Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. variable. Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. If the system is dependent or inconsistent , indicate this.

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Question 3
Correct Answer:
Verified

Kelly sells 70 shares of stock she owns for a total of $480. If the stock was in two different companies, one selling at $4.50 a share and the other at $8.25 a share, how many of each did she sell?

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Question 4

Solve the system of linear equations by the elimination method. Solve the system of linear equations by the elimination method. If the system is dependent or inconsistent , indicate this. If the system is dependent or inconsistent , indicate this.

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Question 5

Solve the system by solving one of the equations for Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . or Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . and then use the substitution method. Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Question 6

Solve the system by solving one of the equations for x or y and then use the substitution method. Solve the system by solving one of the equations for x or y and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this. If the system is dependent or inconsistent , or if there is no solution , indicate this.

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Question 7

If a If a -inch rope is to be cut into two pieces so that one piece is inches longer than twice the other, how long is each piece? -inch rope is to be cut into two pieces so that one piece is If a -inch rope is to be cut into two pieces so that one piece is inches longer than twice the other, how long is each piece? inches longer than twice the other, how long is each piece?

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Question 8

Solve the system by eliminating the Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. variable. Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. If the system is dependent or inconsistent , indicate this.

(Essay)
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Question 9

Solve the system by solving one of the equations for Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . or Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . and then use the substitution method. Solve the system by solving one of the equations for or and then use the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Question 10

Solve the system of linear equations by graphing. Solve the system of linear equations by graphing.

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Question 11

A woman invested A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? times as much at A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? as she did at A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? The total amount of interest she earns in A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? year from both accounts is A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? How much did she invest at each rate?

(Multiple Choice)
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Question 12

Solve the system of linear equations by graphing. Solve the system of linear equations by graphing.

(Multiple Choice)
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Question 13

Solve the system of linear equations by the elimination method. Solve the system of linear equations by the elimination method.

(Multiple Choice)
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Question 14

Solve the system by solving one of the equations for x or y and then use the substitution method. Solve the system by solving one of the equations for x or y and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this. If the system is dependent or inconsistent , or if there is no solution , indicate this.

(Essay)
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Question 15

Solve the system using the substitution method. Solve the system using the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution . If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Question 16

The difference of two numbers is The difference of two numbers is Their sum is Find the two numbers. Their sum is The difference of two numbers is Their sum is Find the two numbers. Find the two numbers.

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Question 17

Solve the system by eliminating the Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. variable. Solve the system by eliminating the variable. If the system is dependent or inconsistent , indicate this. If the system is dependent or inconsistent , indicate this.

(Essay)
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Question 18

Solve the system by solving one of the equations for Solve the system by solving one of the equations for or and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this. or Solve the system by solving one of the equations for or and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this. and then use the substitution method. Solve the system by solving one of the equations for or and then use the substitution method. If the system is dependent or inconsistent , or if there is no solution , indicate this. If the system is dependent or inconsistent , or if there is no solution , indicate this.

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Question 19

A woman invested A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ times as much at A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ as she did at A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ The total amount of interest she earns in A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ year from both accounts is A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ How much did she invest at each rate? $__________ A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________ $__________ A woman invested times as much at as she did at The total amount of interest she earns in year from both accounts is How much did she invest at each rate? $__________ $__________

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