Solve the equation by the square root method.7x2 = 28

A. {0}
B. {-2, 2}
C. {-7, 7}
D. {-2, 2}


Answer: D

Mathematics

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Integrate the function f over the given region.f(x, y) =  +  over the trapezoidal region bounded by the x-axis, y-axis, line  and line 

A. 30 B. 18 C. 46 D. 22

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Solve the problem for the given information.Find the equation of a line passing through the origin so that the sine of the angle between the line in  and the positive  is .

A. y = x
B. y = x
C. y = x
D. y = x

Mathematics

Find all values of ? in [0°, 360°) that satisfy the equation.sec ? = - 

A. 45°, 225° B. 225°, 315° C. 45°, 315° D. 135°, 225°

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Graph the given line.y - 4 = 0

A.

B.

C.

D.

Mathematics