Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.
+ 
= 1
A. parabola
B. circle
C. ellipse
D. hyperbola
Answer: C
Mathematics
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Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The currents in an unbalanced Wheatstone bridge are given by the following systemof equations.5400I1 - 6200I2 + 4400I3 = 0-6200I1 + 2000I2 + 3000I3 = 04400I1 - 3000I2 + 6800I3 = 8Write this system as a matrix equation.
A. 
= 
B. 
= 
C. 
= 
Mathematics
Provide an appropriate response.Give an example of a like term for 4a19b15.
What will be an ideal response?
Mathematics
Find the real solutions of the equation by factoring.5x4 = 320x
A. {0} B. {0, 5, 4} C. {-4, 0, 4} D. {0, 4}
Mathematics
Simplify the expression.13y + 7(y - 1)
A. 20y + 7 B. 91y - 7 C. 20y - 7 D. 20y2 - 7
Mathematics