Mathematics

Mathematics, 22.06.2019 03:00, Tahliyah9420

What is the solution for the following system of equations? use any method to solve. y = -x +4 y = x - 2 a. ( 4 , -2) b. (2, 1) c. (3, 1) d.(3, -2)

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Mathematics, 07.07.2019 13:30, MegRasmussen31

Take test: 7.02 systems of equations quiz question 1 a system of equations that has at least one solution is called inconsistent. true false 2 points question 2 does the following system of equations have a solution? graph of lines y equals 2 x minus 5 and y equals negative 3 x plus 1 yes no 2 points question 3 what is the approximate solution of the following system of equations? graph of lines y equals negative x minus 5 and y equals x plus 9 (2, -7) (-7, 2) (7, 2) (-7, -2) 2 points question 4 solve the following system of equations by using the substitution method. x – y = 3 2x + 2y = 2 (3, 4) (-4, 5) (2, -1) inconsistent 2 points question 5 solve the following system of equations by using the substitution method. y = 6x – 11 -2x – 3y = -7 (1, 2) (2, 1) (-3, 1) (2, 4) 2 points question 6 solve the following system of equations by using the elimination method. x + y = 4 2x + 3y = 9 (3, 1) (-2, 1) (3, -1) inconsistent 2 points question 7 solve the following system of equations by using the elimination method. -4x – 2y = -12 4x + 8y = -24 (5, 3) (-6, -6) (3, 1) (6, -6) 2 points question 8 solve the following system of equations using matrices. 3x – 2y = 31 3x + 2y = -1 (5, -8) (3, 5) (-3, 9) (2, 8) 2 points question 9 solve the following system of equations using matrices. y = 2x – 1 6x – y = 13 (3, 5) (-3, 5) (5, 0) inconsistent 2 points question 10 a laboratory employee is mixing a 10% saline solution with 4% saline solution. how much of each solution is needed to make 500 milliliters of a 6% solution. 170 milliliters of the 10% solution and 340 milliliters of 4% solution 167 milliliters of the 10% solution and 333 milliliters of 4% solution 110 milliliters of the 10% solution and 210 milliliters of 4% solution 155 milliliters of the 10% solution and 300 milliliters of 4% solution 2 points

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Mathematics, 08.07.2019 20:00, zeze29

Take test: 7.02 systems of equations quiz question 1 a system of equations that has at least one solution is called inconsistent. true false 2 points question 2 does the following system of equations have a solution? graph of lines y equals 2 x minus 5 and y equals negative 3 x plus 1 yes no 2 points question 3 what is the approximate solution of the following system of equations? graph of lines y equals negative x minus 5 and y equals x plus 9 (2, -7) (-7, 2) (7, 2) (-7, -2) 2 points question 4 solve the following system of equations by using the substitution method. x – y = 3 2x + 2y = 2 (3, 4) (-4, 5) (2, -1) inconsistent 2 points question 5 solve the following system of equations by using the substitution method. y = 6x – 11 -2x – 3y = -7 (1, 2) (2, 1) (-3, 1) (2, 4) 2 points question 6 solve the following system of equations by using the elimination method. x + y = 4 2x + 3y = 9 (3, 1) (-2, 1) (3, -1) inconsistent 2 points question 7 solve the following system of equations by using the elimination method. -4x – 2y = -12 4x + 8y = -24 (5, 3) (-6, -6) (3, 1) (6, -6) 2 points question 8 solve the following system of equations using matrices. 3x – 2y = 31 3x + 2y = -1 (5, -8) (3, 5) (-3, 9) (2, 8) 2 points question 9 solve the following system of equations using matrices. y = 2x – 1 6x – y = 13 (3, 5) (-3, 5) (5, 0) inconsistent 2 points question 10 a laboratory employee is mixing a 10% saline solution with 4% saline solution. how much of each solution is needed to make 500 milliliters of a 6% solution. 170 milliliters of the 10% solution and 340 milliliters of 4% solution 167 milliliters of the 10% solution and 333 milliliters of 4% solution 110 milliliters of the 10% solution and 210 milliliters of 4% solution 155 milliliters of the 10% solution and 300 milliliters of 4% solution 2 points

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Mathematics, 10.10.2019 17:30, tbggheemoney

Me plese if a system has exactly one solution it is called consistent inconsistent independent dependent what is the approximate solution of the following system of equations? graph of lines y equals negative x plus 3 and y equals negative one-half x plus 1 (4, -1) (4, 1) (-1, 4) (1, -4) solve the following system of equations by using the substitution method. 2x – 3y = -1 y = x – 1 (3, 4) (2, 3) (4, 3) inconsistent solve the following system of equations by using the substitution method. 3y – 2x = 11 y + 2x = 9 (2, 5) (-2, -5) (4, 5) inconsistent solve the following system of equations by using the elimination method. -2x + 9y = -13 6x – 3y = 15 (1, 3) (4, 5) (2, -1) (-2, -1) solve the following system of equations by using the elimination method. x – y = 11 2x + y = 19 (1, 10) (-1, -1) (12, 2) (10, -1) solve the following system of equations using matrices. 4x + 5y = -7 3x – 6y = 24 (1, 4) (2, -3) (5, 6) (3, 4) solve the following system of equations using matrices. x + y = 1 2x + 5y = 4 (1/3, -2/3) (1/3, 2/3) (2, 1) (-3, 0) the sum of two numbers is 7. four times the first number is one more than 5 times the second. find the two numbers. 2 and 1 4 and 3 5 and 7 2 and 3

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Mathematics, 04.11.2019 19:31, jescanarias22

1) what is the solution to the system of equations? -2x + y = -5 3x – 2y = 12 a) (3, 1) b) (6, 3) c) (-2, -9) d) (-2, -1) 2) y = x + 2 2x - y = -4 solve the system of equations using substitution. a) (-2,-4) b) (-2,0) c) (-6,-4) d) (-6,8) 3) x = y + 4 2x - 3y = -2 what is the solution to the system of equations? a) (6, 10) b) (9, 5) c) (10, 6) d) (14, 10) 4) x + 2y = 3 3x - 2y = 5 what is the solution to the system of equations? a) (4, 3.5) b) (2, 1 2 )) c) (2, -1) d) ( 1 2 , 2) 5) use the graph method to solve the system of linear equations: 2x + y = 3 and x + y = 3 a) (-1.5, 0) b) (0, -1.5) c) (0, 3) d) (3, 0) 6) y = − 1 3 x + 2 y = x + 2 what is the solution to the system of equations? a) (0, 2) b) (2, 0) c) (-1, 3) d) (0, -2) 7) x = y - 3 x + 3y = 13 what is the solution to the system of equations? a) (1, 4) b) (4, 1) c) (7, 4) d) (2.5, 5.5) 8) how many solutions can be found for the system of linear equations represented on the graph? a) no solution b) one solution c) two solutions d) infinitely many solutions 9) which graph represents the solution for the equation 1 2 x - 1 = -x + 2? a) a b) b c) c d) d * hover over answer image to enlarge 10) x + 3y = 5 -x + 6y = 4 solve the system of equations. a) x = 1, y = 2 b) x = 2, y = 1 c) x = 1, y = 1 d) x = 0, y = 2 11) find the solution to the system of equations graphed here. a) (-1, -3) b) (1, -3) c) (1, 3) d) (3, 1) 12) how many solutions can be found for the system of linear equations represented on the graph? a) no solution eliminate b) one solution c) two solutions d) infinitely many solutions 13) use the graph method to solve the system of linear equations: y - x = -2 and 2x + y = 7 a) (0,7) b) (2,0) c) (3.5,0) d) (3,1) 14) identify the solution for the system of equations graphed here. a) (1, 1) b) (-1, 1) c) (1, -1) d) (-1, -1)

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