Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(2, 8)}
B. {(3, 9)}
C. {(2, 9)}
D. {(3, 8)}
Answer: D
Mathematics
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Determine the slope and y-intercept for the equation.2x + y = -2
A. slope: m = -2; y-intercept: b = -2
B. slope: m = 2; y-intercept: b = -2
C. slope: m = - 
; y-intercept: b = - 1
D. slope: m = - 1; y-intercept: b = - 
Mathematics
Graph the inequality.x + y ? 4
A. 
B. 
C. 
D. 
Mathematics
Integrate the function.
dx
A. ln 
+ C
B. ln 
+ C
C. ln 
+ C
D. ln 
+ C
Mathematics
Choose the equation that matches the graph.
A. x2 = -8y B. x2 = 8y C. y2 = 8x D. 8x2 = y
Mathematics