Write the equation of the axis of symmetry.f(x) = x2 - 16x + 70
A. x = -8
B. x = 8
C. x = 6
D. x = 0
Answer: B
Mathematics
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Solve the equation.6x(x + 3) = (2x + 12)(x + 3)
A. {3, 6} B. {3, 3} C. {-3, 6} D. {-3, 3}
Mathematics
The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find r.
?
Round the answer to the nearest whole number.
?
A. 17
B. 16
C. 14
D. 15
E. 21
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.x - y + z = 2x + y + z = -4x + y - z = 0
A. (-2, 1, -3) B. (1, -2, -3) C. (1, -3, -2) D. No solution
Mathematics
Determine whether the pair of triangles is congruent.
A. congruent B. not congruent
Mathematics