Select the system of inequalities that matches the given graph.

A. y ? x
y ? -2x + 2
B. y ? x
y ? -2x + 2
C. y ? x
y ? -2x + 2
D. y ? x
y ? -2x + 2


Answer: C

Mathematics

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Use synthetic division to perform the division.

A. x4 + 2x3 + 3x2 + 2x - 2 + 
B. x4 + 2x3 + 3x2 + 2x + 3
C. x4 + 2x3 + 3x2 + 2x + 2 + 
D. x3 + 2x2 + 3x + 2 + 

Mathematics

Write interval notation.{ x  }

A. (5, ?) B. (-?, 25] C. [5, 25) D. (5, 25]

Mathematics

Find the expression.u = -4i - 3j, v = i - 9jFind u + 8v.

A. -12i + 69j B. 4i + 75j C. 4i - 75j D. -4i - 27j

Mathematics

Use matrices to solve the system of equations (if possible). Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.



A) x = 5, y = –2, z = –6
B) x = 2, y = –5, z = 6
C) x = –2, y = –5, z = 6
D) no solution
E) x = 2, y = 5, z = 6

Mathematics