Reduce the rational expression to lowest terms.

A. - 
B.  
C.
D.   


Answer: C

Mathematics

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Provide an appropriate response.Graph the equations y = 4x - 1 and y = - x + 2 on the same set of axes. These are perpendicular lines. Define perpendicular. How might one determine that these lines were perpendicular by examining the equations, but without actually graphing them?

What will be an ideal response?

Mathematics

Refer to a triangle ABC.Find the angles of the triangle ABC assuming that A = 2x°, B = (x + 14)°, and C = (x + 110)°.

A. A = 14°, B = 28°, C = 138° B. A = 14°, B = 28°, C = 48° C. A = 76°, B = 76°, C = 28° D. A = 28°, B = 28°, C = 124°

Mathematics

Using the factoring method, solve for the roots of the quadratic equation.70x2 = -70x

A. x = - 1, x = 0 B. x = - 1, x = 70 C. x = - 1 D. x = 0

Mathematics

Find the angle of smallest possible positive measure that is coterminal with the given angle.-107°

A. 107° B. 433° C. 253° D. 73°

Mathematics