Identify the triangle PQR as an isosceles (two sides of equal length), equilateral (three sides of equal length), or scalene (three sides of different lengths) triangle.P(5, -0), Q(7, -3), R(0, -3)
A. Right
B. Scalene
C. Equilateral
D. Isosceles
Answer: B
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Which of the following does not occur in tessellations? ?
A. ?A regular polygon tessellates about a point. B. ?An equilateral triangle tessellates about a point. C. ?A square tessellates about a point because 4 rotations of 90? completes the tessellation. D. ?A regular hexagon tessellates about a point because 3 rotations of 120? completes the tessellation. E. ?There are no other regular polygons with sides greater than 6 which tessellate.
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 6 + 
B. Q(x) = 6 - 
C. Q(x) = 6 - 
D. Q(x) = 6 + 
Find the domain of the logarithmic function.f(x) = ln(10 - x)
A. (-10, ?) B. (-?, 10) C. (-?, -10) D. (10, ?)
Factor completely. If unfactorable, indicate that the polynomial is prime.x2 + 16xy + 64y2
A. (x + 8y)2 B. (x - 8y)2 C. prime D. (x + 8y)(x - 8y)