Use the quadratic formula to solve the equation.x2 - 14x + 45 = 0
A. {9, 5}
B. {-9, 5}
C. {-9, -5}
D. {45, 0}
Answer: A
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Write the expression in exponential form. Assume that all variables represent positive real numbers.
3
A. x-3/5 B. x3/5 C. x5/3 D. x2
State whether you think that the variables have strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation.Age and remaining life expectancy.
A. Weak positive correlation B. Weak negative correlation C. No correlation D. Strong positive correlation E. Strong negative correlation
Solve the problem.Find the voltage V when the impedance is Z = -4 + 9j and current is I = 8j. (Z = 
)
A. 
- 
j
B. -72 - 32j
C. 72 - 32j
D. 
+ 
j
Solve the quadratic equation.(p - 3)2 = 17
A. 
- 
B. 3 ± 
C. ± 
- 3
D. No real solutions