Use factoring techniques to solve the quadratic equation.4x2 - 5x = 0
A. 
B. 
C. 
D. {0}
Answer: C
Mathematics
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t - 6)i + (ln(sec t) - 3)j + 9k, -?/2 < t < ?/2; normal plane at t = 2?.
A. x = 2? + 6 B. x = -2? - 6 C. x = 2? - 6 D. x = 6 - 2?
Mathematics
Calculate the expression.
Mathematics
Write the numerator and denominator of the fraction as a product of prime factors. Then write in lowest terms.
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B. 
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C. 
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D. 
= 
Mathematics
Shade the region in the xy-plane that satisfies the system of inequalities.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
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B. 
C. 
D. 
Mathematics