Math Problem Statement
Solution
The problem involves solving the system of equations by graphing, as shown in the uploaded image:
- (a linear equation)
- (a quadratic equation)
Step-by-Step Solution:
-
Graph the Linear Equation :
- This is a straight line with slope and y-intercept .
- Two points on this line are:
- At , .
- At , .
- Plot these points and draw the straight line passing through them.
-
Graph the Quadratic Equation :
- This is a parabola with its vertex at .
- At and , (symmetric points around the vertex).
- At and , .
- Plot these points and draw the parabola.
-
Find Intersection Points:
- The graph shows the two curves intersecting at approximately:
- ,
- ,
- The graph shows the two curves intersecting at approximately:
These intersection points represent the solutions to the system of equations.
Solutions:
The solutions are:
Would you like a detailed explanation of graphing, intersections, or solving algebraically?
Related Questions:
- How do you find the intersection of two equations algebraically?
- What are some tips for identifying the vertex of a parabola?
- How does the slope of a line affect its steepness and direction?
- How can symmetry help when plotting a parabola?
- What are alternative methods for solving systems of equations (besides graphing)?
Tip:
When graphing systems of equations, always verify intersection points by substituting them back into both equations.
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Math Problem Analysis
Mathematical Concepts
Graphing linear equations
Graphing quadratic equations
Intersection of graphs
Formulas
y = mx + b (equation of a line)
y = (x - h)^2 + k (vertex form of a parabola)
Theorems
Intersection points of graphs correspond to solutions of the equations
Suitable Grade Level
Grades 9-10
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