Math Problem Statement
Solution
Let's go over each problem based on the image you've uploaded:
Problem 8:
It discusses the transformations of parabolas and requires analysis of graphs and transformations.
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Part (a):
- The graph of is a vertical shift of the graph . It is shifted up by 2 units.
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Part (b):
- The graph of is a vertical shift of , but shifted down by 2 units.
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Part (c):
- The graph of represents a horizontal shift left by 3 units and a vertical shift up by 2 units compared to .
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Part (d):
- This part asks to explain the connection between the vertex form of a parabola and its vertex . The vertex is at the point , and the transformations applied to the basic parabola can be directly observed in the values of and .
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Part (e):
- The task is to sketch different parabolas based on transformations:
- : Shift right by 2 units and up by 3 units.
- : Shift left by 2 units and up by 3 units.
- : Shift right by 4 units and down by 2 units.
- : Shift left by 1 unit and down by 2 units.
- The task is to sketch different parabolas based on transformations:
Problem 9:
It requires sketching parabolas that have undergone transformations, especially involving reflection:
- Part (a): : This is shifted left by 4 units.
- Part (b): : Shift left by 4 units, but the parabola is reflected over the x-axis.
- Part (c): : Shift left by 4 units, reflect over the x-axis, and shift up by 3 units.
Problem 10:
This focuses on finding equations of parabolas that result from transformations applied to :
- Part (a): Move up by 2 units: .
- Part (b): Move down by 2 units: .
- Part (c): Move 2 units to the right: .
- Part (d): Move 2 units to the left: .
- Part (e): Turn it upside down and move it up by 4 units: .
- Part (f): Turn it upside down and move it down by 2 units: .
- Part (g): Move it up by 2 units and reflect in the x-axis: .
- Part (h): Move it 2 units to the right and turn it upside down: .
- Part (i): Turn it upside down and move it 3 units to the left and then down by 2 units: .
Would you like further details or explanations on any of these transformations or solutions?
Here are 5 related questions to expand on this topic:
- What happens to a parabola's vertex if you apply both horizontal and vertical shifts?
- How does reflecting a parabola over the x-axis change its equation?
- How do we derive the vertex form of a parabola from its standard form?
- What impact does a horizontal shift have on the axis of symmetry of a parabola?
- Can we have transformations where both vertical and horizontal stretching/compression are involved? How does that affect the graph?
Tip: When transforming parabolas, always focus on the vertex form to easily track shifts, stretches, and reflections.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Graph Transformations
Vertex Form of Parabolas
Formulas
y = a(x - h)^2 + k (vertex form of a parabola)
y = (x - h)^2 (basic quadratic function)
Theorems
Parabola Shifts (Horizontal and Vertical)
Reflection over the x-axis
Vertex identification from quadratic equations
Suitable Grade Level
Grades 9-11