Math Problem Statement
Fungsi kuadrat dengan persamaan y=-x-5x+14 merupakan hasil refleksi dari fungsi y=x² + 5x-8 terhadap garis yk. Maka nilai k = ....
a. 2
b. -1
c. 3
d. 5
e. -2
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Reflections
Formulas
f_{reflection}(x) = 2k - f(x)
Quadratic equation: y = ax^2 + bx + c
Theorems
Reflection of a function across a line y = k
Symmetry in quadratic functions
Suitable Grade Level
Grades 10-12