Factor the perfect square trinomial completely.25x2 - 70x + 49
A. (25x + 1)(x + 49)
B. (5x - 7)(5x + 7)
C. (5x + 7)2
D. (5x - 7)2
Answer: D
Mathematics
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Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 9 above is called the 
.
A. subtrahend B. difference C. addend D. minuend
Mathematics
Find the logarithm using the change-of-base formula.log7.9 6.8
A. 0.9275 B. 0.8325 C. 0.8608 D. 1.0782
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Simplify the expression by combining like terms, if possible.-3y + 7 - 5 + 1 + y - 3
A. -4y + 1 B. -4y C. -2y D. -2y - 1
Mathematics
Solve the problem.Maximize Q = xy2, where x and y are positive numbers, such that x + y2 = 4.
A. x = 
, y = 2
B. x = 0, y = 2
C. x = 2, y = 
D. x = 1, y = 
Mathematics