Multiply.(7x + 11)2
A. 7x2 + 121
B. 49x2 + 154x + 121
C. 49x2 + 121
D. 7x2 + 154x + 121
Answer: B
Mathematics
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Write the number as a Greek numeral.809
A. ?? B. ?? C. ?? D. ??
Mathematics
Solve the equation using a graphing calculator. Round the answer to two decimal places.-4x2 + 4x + 5 = 0
A. {-0.72, 1.72} B. {-11.5, 12.5} C. {-1.45, 3.45} D. {-1.72, 0.72}
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(3x - 7y)2
A. 9x2 + 49y2 B. 9x2 - 42xy + 49y2 C. 3x2 - 42xy + 49y2 D. 3x2 + 49y2
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics