Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(x2 - 3)1/2 - (x + 3)1/2 = 0
A. {2, 3}
B. {-3}
C. {-3, 3}
D. {-2, 3}
Answer: D
Mathematics
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If 
and 
in quadrilateral ABCD, then ABCD is an isosceles trapezoid.
Answer the following statement true (T) or false (F)
Mathematics
Find the quadratic approximation of f at x = 0.f(x) = tan 9x
A. Q(x) = 1 + 9x2
B. Q(x) = 1 - 
x2
C. Q(x) = 1 + 
x2
D. Q(x) = 9x
Mathematics
Solve by elimination. x - 2y = -237x - 2y = -53
A. (-4, 8) B. (-9, -5) C. No solution D. (-5, 9)
Mathematics
Write the inequality using interval notation, and illustrate the inequality using the real number line.y < -7
A. (-?, -7]
B. (-?, -7)
C. [-?, -7]
D. [-?, -7)
Mathematics