Find the slope of the line tangent tangent to the graph a the given point. y = 
, x = 8
A. m = - 
B. m = 
C. m = 
D. m = - 
Answer: A
Mathematics
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Match the situation to the graph that models it best.The average cost y of college tuition from 2000 to 2010
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by completing the square.6x2 - 3x = 9
A. 
, -1
B. 
, 0
C. 
, 1
D. 
, -1
Mathematics
Find the measures of x, y, and z in the figure.
A. ?x = 126° ?y = 19° ?z = 126° B. ?x = 19° ?y = 161° ?z = 161° C. ?x = 161° ?y = 19° ?z = 161° D. ?x = 71° ?y = 19° ?z = 71°
Mathematics
A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where D = 
.Find the area of the triangle having vertices at P, Q, and R.P(0, 3), Q(5, 8), R(7, 3)
A. 0
B. 35
C. 5
D. 
Mathematics