Math Problem Statement
Dari titik (-3,b) ditarik dari garis menyinggung parabole y²=16x.jika garis singgung tersebut tegak lurus dengan garis 2y+x=6, maka nilai b sama dengan...
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Math Problem Analysis
Mathematical Concepts
Algebra
Geometry
Gradients of Lines
Tangents to Parabolas
Formulas
y = mx + c (Equation of a Line)
Gradient of a tangent to parabola: dy/dx = 8/y
Perpendicularity of lines: m1 * m2 = -1
Theorems
The gradient of a tangent line to a curve
Perpendicular lines theorem (gradients are negative reciprocals)
Suitable Grade Level
Grade 10-12
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