A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 252y + x = 5
A. Two
B. Two
C. One
D. Zero
Answer: B
Mathematics
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Plot the two real numbers on the real number line. Then place the appropriate inequality symbol (< or >) between them. -2, -3
A. 
-2 > -3
B.
-2 < -3
Mathematics
Determine whether the polynomial is a perfect square trinomial, a difference of squares, or neither.x2 - 4
A. Perfect square trinomial B. Neither C. Difference of squares
Mathematics
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (
, 0) and (-
, 0)
B. foci at (5, 0) and (-5, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (4, 0) and (-4, 0)
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics