Math Problem Statement
Which point is a solution to the system of equations below? У = 2x-2 1y=x+2 A. (6,10) в. (6,4) C. (1,3) D. (4, 6)
Solution
Let's solve the system of equations step-by-step to find which point satisfies both equations.
The system of equations:
Step 1: Set the two equations equal to each other
Since both expressions are equal to , we can set the right-hand sides equal to each other:
Step 2: Solve for
First, subtract from both sides:
Now, add 2 to both sides:
Step 3: Solve for
Now that we know , substitute into one of the original equations. Let's use the second equation :
Step 4: Check the result
The solution is and , so the point should be a solution to the system.
Step 5: Verify with the first equation
Substitute into the first equation :
Thus, the point satisfies both equations.
Answer:
The correct point is D. (4, 6).
Would you like to explore more details about solving systems of equations or have any other questions?
Related questions:
- How do you solve a system of equations using substitution?
- How would you solve this system using elimination?
- What is the graphical interpretation of solving a system of equations?
- How can you check the solution of a system using graphing?
- What would happen if the system has no solution or infinitely many solutions?
Tip: When solving a system of equations, it's often useful to graph both equations to visually see where they intersect.
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Math Problem Analysis
Mathematical Concepts
Algebra
Systems of Equations
Substitution Method
Formulas
y = 2x - 2
y = x + 2
Theorems
Equality property of equations
Suitable Grade Level
Grades 8-10
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