Divide.(8r4 + 12r3 - 2r) ÷ (2r2 + r)
A. 4r2 + 4r - 
B. 4r2 + 4r - 2
C. 4r2 + 8r + 4 + 
D. 4r2 + 6r - 
Answer: B
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Write the x- and y-intercepts of the graph.
A. x-intercept: -2; y-intercept: 8 B. x-intercept: 2; y-intercept: -8 C. x-intercept: 2; y-intercept: 8 D. x-intercept: -2; y-intercept: -8
Solve the problem.
A tunnel is in the shape of a parabola. The maximum height is 19 m and it is 13 m wide at the base. What is the vertical clearance 6 m from the edge of the tunnel?
A. 18.9 m B. 18.2 m C. 0.8 m D. 0.1 m
Find the coordinates of the vertex and the direction of opening of each parabola.y = -(x - 5)2 - 5
A. (-5, 0) opens upward B. (5, 5) opens downward C. (0, -5) opens upward D. (5, -5) opens downward
Find an equation in slope-intercept form of the line that passes through the given point and has slope m.(0, 3); m = - 
A. y = - 
x - 3
B. y = 3x + 
C. y = 3x - 
D. y = - 
x + 3