What are the coordinates of the vertex of the function f(x) = x2 + 10x - 3?
Solution:
The f(x) = x2 + 10x - 3 is a quadratic equation of the form ax² + bx + c
The vertical axis of the quadratic equation is given by the expression
x = -b/2a
b = 10
a = 1
x = -10/(2×1) = -5
The y coordinate of the vertex will be obtained by substituting x = -5 in equation f(x) = x2 + 10x - 3 , hence we have,
y = (-5)² + 10(-5) - 3 = 25 - 50 - 3 = -28
The vertex of the given equation f(x) = x2 + 10x - 3 is (-5, -28).
What are the coordinates of the vertex of the function f(x) = x2 + 10x - 3?
Summary:
The coordinates of the vertex of the given equation f(x) = x2 + 10x - 3 is (-5, -28)
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