Math Problem Statement
Solution
We are tasked with determining which of the given linear equations represents a line that passes through the point (-3, 3) and is parallel to the line shown in the graph.
Step 1: Analyze the slope of the given line in the graph.
The given line in the graph passes through the points (-5, 4) and (0, -1). We can calculate the slope using the slope formula:
For points (-5, 4) and (0, -1):
So, the slope of the line in the graph is .
Step 2: Identify the slope of a parallel line.
For a line to be parallel, it must have the same slope. Therefore, we are looking for a line with slope that passes through the point (-3, 3).
Step 3: Test each equation.
Now, let's look at the options:
A. → slope is (Not parallel) B. → slope is (Not parallel) C. → slope is (Not parallel) D. → slope is (Parallel)
So, option D has the correct slope.
Step 4: Verify that the line passes through (-3, 3).
Let's check if the point (-3, 3) satisfies the equation .
Substitute into the equation:
This does not match the y-coordinate of the point (-3, 3), so option D is incorrect.
Step 5: Equation of the correct line.
We know the slope is and the line must pass through (-3, 3). Using the point-slope form of the equation:
where and :
Simplifying:
Thus, the equation of the line is , which is not directly listed among the options.
The correct answer is not given explicitly in the options. Would you like further clarification or a different approach?
Here are some related questions:
- How do you determine the slope of a line graphically?
- What is the point-slope form of a linear equation?
- How do parallel lines behave in terms of their slopes?
- What are the steps to find the equation of a line passing through a given point?
- How can you convert the point-slope form to slope-intercept form?
Tip: When solving for the equation of a line, always remember that parallel lines have identical slopes.
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Equations
Slope
Parallel Lines
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Theorems
Parallel lines have the same slope.
Suitable Grade Level
Grades 9-12
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