Find all points on the graph + = 4x + 4y at which the tangent line is horizontal.
A) (2, 2 - ) and (2, 2 + )
B) (1, 2 - ) and (2, 2 + )
C) (2, 2 - ) and (1, 2 + )
D) (0, 0) and (0, 4)
E) The tangent line is never horizontal.

Question

Find all points on the graph  +  = 4x + 4y at which the tangent line is horizontal.
A) (2, 2 - ) and (2, 2 + ) 
B) (1, 2 - ) and (2, 2 + ) 
C) (2, 2 - ) and (1, 2 + ) 
D) (0, 0) and (0, 4) 
E) The tangent line is never horizontal.

Quizplus · Accepted Answer

The Answer of Find all points on the graph  +  = 4x + 4y at which the tangent line is horizontal.
A) (2, 2 - ) and (2, 2 + ) 
B) (1, 2 - ) and (2, 2 + ) 
C) (2, 2 - ) and (1, 2 + ) 
D) (0, 0) and (0, 4) 
E) The tangent line is never horizontal.

Find All Points on the Graph + =