Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.-2x + 8y - z = 2 x + 9y + 4z = 46 8x + y + z = 40
A. {(2, 6, 2)}
B. {(5, 0, 6)}
C. {(4, 2, 6)}
D. {(4, -2, -6)}
Answer: C
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Use the zero-exponent rule to simplify the expression.(3y)0
A. 0 B. 3 C. 1 D. 3y
Using only the labeled angles in the diagram, identify:
(a) Two pairs of alternate interior angles
(b) Two pairs of alternate exterior angles
(c) Two pairs of interior angles on the same side of the transversal
(d) Two pairs of exterior angles on the same side of the transversal
(e) Two pairs of corresponding angles
Multiply.-10ax3(3ax5 - 7x3)
A. -30ax + 70x B. -30a2x8 - 7x3 C. -30a2x8 + 70ax6 D. -30a2x8 + 70x6
What is not the concept behind tessellations? ?
A. ?A covering of a two-dimensional area. B. ?The repeating pattern of a geometric shape. C. ?Gaps may occur in semi-regular tessellations. D. ?No gaps or overlaps may occur in either regular or semi-regular tessellations. E. ?Tessellations occur about a point.