Answer the question.The equation of a circle can be written in the form x2 + y2 = r2. Is this a function? Why or why not?
What will be an ideal response?
It is not a function because for y ? 0, there are 2 y-values for every x-value. It fails the vertical line test.
Mathematics
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Use properties for rational number operations to solve the equation.x - 
= - 
A. 
B. 1
C. - 
D. - 1
Mathematics
Subtract.(-2x2 + 7x4 - 4 - 3x3) - (6 + 9x3 + 2x4 - 4x2)
A. 9x4 + 6x3 - 6x2 - 10 B. 5x4 + 6x3 - 6x2 + 2 C. 5x4 - 12x3 + 2x2 - 10 D. 9x4 + 6x3 - 6x2 + 2
Mathematics
Match the graph to one of the polar equations.
A. r = 3 B. r = 6 sin ? C. r sin ? = 3 D. r = 6 cos ?
Mathematics
Provide an appropriate response.Using the following diagram, prove that ?ADB ~ ?BDC.
What will be an ideal response?
Mathematics