Math Problem Statement
Write a system of two linear equations in x and y that has the ordered pair solution
(55,33). Question content area bottom
Part 1
Choose the correct system below.
A.left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals 7 2nd Row 1st Column x minus 2 y equals 13 EndMatrix
left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals 7 2nd Row 1st Column x minus 2 y equals 13 EndMatrix
−2x+y=7
x−2y=13
B.left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals negative 7 2nd Row 1st Column x minus 2 y equals negative 1 EndMatrix
left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals negative 7 2nd Row 1st Column x minus 2 y equals negative 1 EndMatrix
−2x+y=−7
x−2y=−1
C.left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals negative 7 2nd Row 1st Column x minus 2 y equals 1 EndMatrix
left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals negative 7 2nd Row 1st Column x minus 2 y equals 1 EndMatrix
−2x+y=−7
x−2y=1
D.left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals 6 2nd Row 1st Column 2 x plus y equals negative 9 EndMatrix
left brace Start 2 By 1 Matrix 1st Row 1st Column negative 2 x plus y equals 6 2nd Row 1st Column 2 x plus y equals negative 9 EndMatrix
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Systems of Equations
Formulas
Linear equation formula: ax + by = c
Substitution method: solving for one variable and substituting in the second equation
Verification: Substituting ordered pair values into both equations
Theorems
System of linear equations
Substitution method
Elimination method
Suitable Grade Level
Grades 9-10
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