Find the natural number b that makes the expression a perfect square trinomial.x2 - 16x + b
A. 16
B. 8
C. 256
D. 64
Answer: D
Mathematics
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Factor the trinomial, if possible.(x + 4y)2 + 6(x + 4y) + 9
A. (x + 4y - 3)(x - 4y + 3) B. (x - 4y + 3)2 C. (x + 4y + 3)2 D. (x + 4y - 3)2
Mathematics
Find the least common multiple (LCM) of the pair of numbers.18 and 10
A. 360 B. 2 C. 180 D. 90
Mathematics
Solve.An equilateral triangle has a side length of 2.4 yd. Find its perimeter.
A. 9.6 yd B. 7.2 yd C. 4.8 yd D. not enough information given
Mathematics
Match the equation to the correct graph.f(x) = 5(x + 2)2 - 1
A. 
B. 
C. 
D. 
Mathematics