Solve the system of equations.x2 - 3y2 = 14x2 + 3y2 = 19
A. (2, 1) and (-2, -1)
B. (1, 2), (-1, 2), (1, -2), (-1, -2)
C. (2, 1), (2, -1), (-2, 1), (-2, -1)
D. (-1, 2) and (1, -2)
Answer: C
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Factor the expression, if the trinomial is a perfect square. If it is not a perfect square, write "not a perfect square."75k3n2m - 270k2nm2 + 243km3
A. not a perfect square B. 3km(5kn - 9m)(5kn + 9m) C. 3km(5kn - 9m)2 D. 3km(5kn + 9m)2
Find the least common denominator.
, 
, 
A. 8(r + 5)2 B. r(r + 5)2 C. 8(r + 5) D. 8r(r + 5)2
Solve the problem.If f(x) = 6x3 + 2x2 - x + C and f(3) = 1, what is the value of C?
A. C = 148 B. C = 184 C. C = -38 D. C = -176
Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Passing through (2, -9) and (-2, 7)
A. y = 4x + 1 B. y = 4x - 1 C. y = -4x + 1 D. y = -4x - 1