Sketch the graph of the parabola.y = -x2 - 2

A.

B.

C.

D.


Answer: C

Mathematics

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Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.

A. 2 B. -32 C. -2 D. not a real number

Mathematics

Use the vertical line test to determine if the graph is a graph of a function.

A. Function B. Not a function

Mathematics

Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.24xy - 7y2 + 36 = 0

A. ? = 36.9°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ± )
B. ? = 36.9°
  -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±3)
C. ? = 53.1°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)
D. ? = 36.9°
 -  = 1
hyperbola
center at (0, 0)
transverse axis is the y'-axis
vertices at (0, ±2)

Mathematics

Write the sentence as an equation.Nineteen subtracted from -14 amounts to -33.

A. 19 - 14 = 33 B. -14 - 19 = -33 C. 19 - 14 = -33 D. 14 + 19 = 33

Mathematics