Determine whether or not the graph is a graph of a function of x.
A. Function
B. Not a function
Answer: B
Mathematics
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Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x - 2y)(x + 10y)
A. x + 8xy - 20y B. x2 + 5xy - 20y2 C. x2 + 8xy - 20y2 D. x2 + 8xy + 8y2
Mathematics
Solve using the addition and multiplication principles together.
a - 
= -5
A. -21 B. 19 C. -19 D. 21
Mathematics
Factor the difference of two squares.50a4 - 72b2
A. 50a4 - 72b2 B. 2(5a2 + 6b)(5a2 - 6b) C. 2(5a2 - 6b)2 D. 2(5a2 + 6b)2
Mathematics
Name the variables in the equation.V = ?r2h
A. V, ?, h B. V, ?, r, h C. r, h D. V, r, h
Mathematics