Math Problem Statement
Solution
Let's work through the questions in the image you've provided. It's a set of mathematics multiple-choice questions in Indonesian related to transformations, reflections, and rotations of functions and lines.
Here are the translations and solutions for some of the questions:
1. Diketahui fungsi ditranslasikan oleh .
The translation vector is , meaning that the function is shifted 3 units upwards.
Original function:
After translation:
The new function will be , which simplifies to:
Correct answer: a)
2. Garis digeser 2 satuan ke kiri.
The translation is to the left by 2 units, meaning that will be replaced by in the equation.
Original equation:
Substitute with :
Correct answer: c)
3. Garis digeser 1 satuan ke bawah menghasilkan garis .
This indicates a downward shift by 1 unit, which means that will be replaced by .
Original equation:
Substitute with :
Correct answer: d)
4. Garis direfleksikan terhadap sumbu Y.
To reflect a line over the y-axis, replace with .
Original equation:
Substitute with :
Correct answer: b)
5. Rumus fungsi direfleksikan terhadap sumbu X.
To reflect a function over the x-axis, multiply the entire function by -1.
Original function:
After reflection:
Correct answer: d)
Would you like further details on any specific questions, or assistance with the remaining problems? Here are five follow-up questions you might find helpful:
- How would you reflect a function over the y-axis instead of the x-axis?
- What is the difference between a translation and a reflection in mathematical transformations?
- Can you explain how rotations of functions around a point work?
- How does translating a line affect its equation?
- What is the effect of rotating a line by 180 degrees around the origin?
Tip: When working with transformations, always identify whether the change is in the -direction or -direction to apply the correct substitution or adjustment.
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Math Problem Analysis
Mathematical Concepts
Algebra
Transformations of Functions and Lines
Translations
Reflections
Rotations
Dilations
Formulas
Translation Formula for Functions: y = f(x) ± c
Reflection Formulas: Over X-axis: y = -f(x), Over Y-axis: f(-x)
Rotation Formulas: Rotation of lines around the origin
Dilation Formula: y = k * f(x)
Theorems
Transformation Theorems
Properties of Linear Equations under Transformations
Suitable Grade Level
Grades 10-12
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