Solve the system by addition.-3x - 2y = 0-6x = -2 + 4y
A. {(4, -1)}
B. ?
C. {(-3, -1)}
D. {(4, -6)}
Answer: B
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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 + 7)i + (ln(cos t) - 8)j + 5k, -?/2 < t < ?.2; rectifying plane at t = 
.
A. 
(x - (1 + 7)) = 0
B. 
+ 
= 0
C. - 
+ 
= 0
D. 
- 
= 0
Find the principal unit normal vector N for the curve r(t).r(t) = (4t sin t + 4 cos t)i + (4t cos t - 4 sin t))k
A. N = (-sin t)i - (cos t)k
B. N = (cos t)i - (sin t)k
C. N = - 
(cos t)i - 
(sin t)k
D. N = (sin t)i + (cos t)k
Represent the logical form by a circuit.[p ? (~p ? r)] ? q
What will be an ideal response?
Find a polynomial of least degree with only real coefficients and having the given zeros.-
, 
, and 8 (multiplicity 2)
A. f(x) = x3 - 8x2 - 3x + 24 B. f(x) = x4 + 16x3 - 61x2 - 48x + 192 C. f(x) = x3 + 8x2 - 3x - 24 D. f(x) = x4 - 16x3 + 61x2 + 48x - 192