Determine whether the equation defines y as a function of x.y2 = (x - 8)(x + 8)
A. No
B. Yes
Answer: A
Mathematics
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In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.b = 7 yd, c = 14 yd
A. a = 7 yd B. a ? 12.1 yd C. a ? 9.9 yd D. a ? 4.6 yd
Mathematics
Find the area of the rectangle or square.Length = 157 mm, width = 103 mm
A. 260 mm2 B. 32,342 mm2 C. 520 mm2 D. 16,171 mm2
Mathematics
Graph the ellipse and locate the foci.9x2 + 4y2 = 36
A. foci at (
, 0) and (-
, 0)
B. foci at (0, 
) and (0, -
)
C. foci at (
, 0) and (-
, 0)
D. foci at (2
, 0) and (-2
, 0)
Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics