Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.(x + 1)2 + (y - 2)2 = 9
A. hyperbola
B. parabola
C. ellipse
D. circle
Answer: D
Mathematics
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Use TRACE to find the value of y for the given value of x.y = -4x - 7x = -1
A. -3 B. 28 C. 6 D. -7
Mathematics
Solve the problem.Find the impedance Z when the voltage is V = -8 + 4j and current is I = -7j. (Z = 
)
A. 
+ 
j
B. - 
+ 
j
C. 
+ 
j
D. - 
- 
j
Mathematics
Decide whether or not the given equation is an identity.2 cos2 
csc x = csc x + tan x
A. Yes B. No
Mathematics
Solve the problem.Use the table to find the APR to the nearest whole percent. Assume that all interest rates are annual rates.
Sue took out a 24-month, $19,000 add-on loan at an interest rate of 8.1% to pay off her SUV.
A. 13% B. 15% C. 14% D. 16%
Mathematics