Solve the radical equation.
= 4
A. {16}
B. {25}
C. {15}
D. {17}
Answer: C
Mathematics
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Simplify the expression using the imaginary unit i.
A. 17i
B. -i
C. ±17
D. -17i
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. 18
B. 
C. 
D. 
Mathematics
Graph the pair of parametric equations by hand, using values of t in [-2,2]. Make a table of t-, x-, and y-values, using t = -2, -1, 0, 1, and 2. Then plot the points and join them with a line or smooth curve for all values of t in [-2,2]. Do not use a calculator.x = t2 - 2, y = -t + 3
What will be an ideal response?
Mathematics
Solve the equation by factoring.5x2 - 9x = 2
A. {-5, 2}
B. 
C. 
D. 
Mathematics