Write the following using algebraic notation.(a + b) times (a - b)
A. (a + b)(a - b)
B. (a + b) + (a - b)
C. 
D. (a + b) - (a - b)
Answer: A
Mathematics
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Solve the equation for solutions in the interval [0°, 360°).tan2 2? = 5
A. ? = 0°, 90°, 180°, 270° B. ? = 33°, 57°, 123°, 147°, 213°, 237°, 303°, 327° C. ? = 0°, 45°, 90°, 135°, 180°, 225°, 270° D. ? = 0°
Mathematics
Determine whether the statement is true for n = 1, 2, 3, 4, and 5. Use the number of true statements as your answer.n2 + 2n + 1 is a perfect square.
A. 4 B. 2 C. 5 D. 3
Mathematics
Find the LCD for the set of fractions.
, 
A. 7 B. 63 C. 56 D. 392
Mathematics
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-7, 0); passing through (-4, -3)
A. y = (x - 7)2
B. y = - 
(x - 7)2
C. y = - 
(x + 7)2
D. y = (x + 7)2
Mathematics