Solve the equation by completing the square.x2 = 7 - 8x
A. -4 ± 1
B. 4 + 
C. -1 ± 
D. -4 ± 
Answer: D
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Graph the system of inequalities and the points of intersection of the graphs. Label the points of intersection with their coordinates.x2 + y2 ? 100 2y < x + 10
A. 
B. 
C. 
D. 
Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 4 vertices each of degree 2.
A. 8 edges B. 16 edges C. 6 edges D. 4 edges
Provide an appropriate response.If f(b) = 4 and f(x) is decreasing on the interval [a, b], then which method of estimating the area under the graph of f(x) and above the x-axis will yield the lowest value? Assume that n = 10 in all cases.
A. Using left endpoints B. Using midpoints C. Cannot be determined D. Using right endpoints
Find an equation of the line satisfying the following conditions.If possible, write the equation in slope-intercept form. y-intercept -29, x-intercept 25
A. y = 
x - 29
B. y = - 
x - 29
C. y = 
x - 29
D. y = 
x + 29