Find the unit vector that has the same direction as the vector v.v = -3i + j
A. u = 
i + 
j
B. u = 
i + 
j
C. u = 
i + 
j
D. u = -3
i + 
j
Answer: C
Mathematics
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Solve.7 + 1p = 10
A. - 3 B. 17 C. 16 D. 3
Mathematics
Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.24(x - 3) = 2(12x - 1) - 70
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {-72} D. Conditional; {0}
Mathematics
List the critical values of the related function. Then solve the inequality.
< 4
A. No critical values; ?
B. 4, 
; 
C. -5, 4; (-5, 4)
D. 4, 
; (-?, 4) ? 
Mathematics
Solve the equation for the specified variable.
+ 
= 
for c
A. c = ab(a + b)
B. c = a + b
C. c = 
D. c = 
Mathematics