Multiply and simplify. Assume that all variables represent nonnegative numbers.
(
+ 
)
A. 
B. 13 + 
C. 
+ 
D. 39
Answer: B
Mathematics
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Identify the type of surface represented by the given equation. 
+ 
= 
A. Elliptical paraboloid
B. Elliptical cone
C. Hyperbolic paraboloid
D.
| Ellipsoid |
Mathematics
Sketch the graph of the quadratic function. Identify the vertex and the axis of symmetry.f(x) = -x2 + 2x + 8
A. vertex: (1, 9)
axis of symmetry: x = 1
B. vertex: (1, 9)
axis of symmetry: x = 1
C. vertex: (- 1, 9)
axis of symmetry: x = - 1
D. vertex: (1, - 9)
axis of symmetry: x = 1
Mathematics
Determine graphically the x-value when y = 6 in the given equation.3x - y = 6
A. 0;
B. 0;
C. -4;
D. 4;
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 3 units downward
A. y = 
B. y = 
+ 3
C. y = 
D. y = 
- 3
Mathematics