Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(2x + 9y)2
A. 2x2 + 81y2
B. 4x2 + 36xy + 81y2
C. 4x2 + 81y2
D. 2x2 + 36xy + 81y2
Answer: B
Mathematics
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If data for 
are linear, then the slope of the linear function is the change in y.
Answer the following statement true (T) or false (F)
Mathematics
For the given polar equation, write an equivalent rectangular equation.r = 2(sin ? - cos ?)
A. x2 + y2 = 2x - 2y B. x2 + y2 = 2y - 2x C. 2x2 + 2y2 = x - y D. 2x2 + 2y2 = y - x
Mathematics
Provide an appropriate response.Give a definition or an example of the word or phrase. Quadratic function
What will be an ideal response?
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = - 
, tan ? > 0Find cos 
.
A. 
B. - 
C. 
D. - 
Mathematics