Complete the square in x and y to find a Cartesian equation of the form  +  = 1 for the given equation. Identify the center. 2x2 + 5y2 - 28x + 40y + 168 = 0

A.  +  = 1; Center: (-7, 4)
B.  +  = 1; Center: (7, -4)
C.  +  = 1; Center: (7, -4)
D.  +  = 1; Center: (-7, 4)


Answer: B

Mathematics

You might also like to view...

Write the reciprocal of the number.4

A. does not exist
B.
C. -4
D. - 

Mathematics

Use the distributive property to write the sum as a product.(7)e + (7)q

A. 14(e + q) B. 7(e ? q) C. 7(e + q) D. 7(e - q)

Mathematics

Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.A = 65°, a = 4, b = 6

A. one triangle; B = 34°, C = 81°, c = 14 B. one triangle; B = 32°, C = 83°, c = 12 C. no triangle D. one triangle; A = 33°, C = 82°, c = 10

Mathematics

Find a decimal approximation for the fraction or mixed number, rounded to the given place value. ; thousandths

A. 0.264 B. 0.667 C. 0.267 D. 0.268

Mathematics