Find the special product.(7x - 10y)2
A. 7x2 + 100y2
B. 49x2 + 100y2
C. 49x2 - 140xy + 100y2
D. 7x2 - 140xy + 100y2
Answer: C
Mathematics
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Find the center and radius of the circle.x2 + (y + 4)2 = 121
A. Center: (4, 0); radius: 121 B. Center: (0, -4); radius: 11 C. Center: (-4, 0); radius: 11 D. Center: (0, -4); radius: 121
Mathematics
Write an equation for the parabola.
A. y2 = -4x B. x2 = 4y C. x2 = -4y D. y2 = 4x
Mathematics
Solve the equation on the interval 0 ? ? < 2?.2 cos2 ? - 3 cos ? + 1 = 0
A. 0, 
, 
B. 0, 
, 
C. 0, 
, 
D. 
, 
, 
Mathematics
Determine whether the pair of triangles is congruent. If congruent, state the property of congruence that applies (SSS, SAS, or ASA).
A. congruent; SSS B. congruent; SAS C. congruent; ASA D. not congruent
Mathematics