Determine whether the scatter diagram indicates that a linear relation may exist between the two variables. If a linear relation does exist, indicate whether the slope is positive or negative.Draw a scatter diagram of the given data. Find the equation of the line containing the points  and  Graph the line on the scatter diagram.

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A.

y = 2.17x + 12.88
B.

y = -2.39x + 13.38
C.

y = -2.17x + 12.88
D.

y = -1.62x + 10.41

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Answer: C

Mathematics

Solve the system of equations. Determine whether the system is consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent.4x - y = 1012x - 3y = 30

A. {(x, y) }; consistent; dependent
B. (0, -10); consistent; independent
C. No solutions; inconsistent
D. (1, -6); consistent; independent

Find the vertex and the intercepts. Then graph the function.f(x) = x2 - 2x - 8

A. Vertex (- 1, - 9); 
x-int = (-4, 0) and (2, 0); 
y-int = (0, 8)

B. Vertex (- 1, - 9); 
x-int = (-4, 0) and (2, 0); 
y-int = (0, -8)

C. Vertex (1, - 9); 
x-int = (2, 0) and (4, 0); 
y-int = (0, -8)

D. Vertex (1, - 9); 
x-int = (-2, 0) and (4, 0); 
y-int = (0, -8)

Solve the equation. Round to the nearest thousandth.4e(3x + 2) = 2

A. {-2.088} B. {0.292} C. {-1.626} D. {-0.898}

Solve the problem.A flat rectangular piece of aluminum has a perimeter of 58 inches. The length is 11 inches longer than the width. Find the width.

A. 20 inches B. 9 inches C. 31 inches D. 29 inches