Rationalize the denominator. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find a quadratic equation with integer coefficients that has the given solution set.{6, -6}
A. x2 + 36 = 0 B. x2 - 12x + 36 = 0 C. x2 + 12x + 36 = 0 D. x2 - 36 = 0
Mathematics
Factor the perfect square.x2 + 40x + 400
A. x2 + 40x + 400 B. (x + 20)2 C. (x - 20)2 D. (x + 20)(x - 20)
Mathematics
Write the inequality using interval notation, and illustrate the inequality using the real number line.-8 ? x ? -5
A. [-8, -5]
B. [-8, -5]
C. (-8, -5)
D. (-8, -5]
Mathematics
Find the instantaneous rate of change for the function at the value given.Find the instantaneous rate of change for the function f(x) = 5x2 + x at x = - 4.
A. -39 B. -14 C. -41 D. 6
Mathematics