Select the graph of the quadratic function 
. Identify the axis of symmetry.
?
A. 
Axis of symmetry: x = -1
B.
?Axis of symmetry: x = -1
C.
Axis of symmetry: x = -1
D.
?Axis of symmetry: x = -1
E.
Axis of symmetry: x = -1
Answer: B
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.6x2 - 5
xy + y2 - 4
x + 8y = 0
A. v2 + 2
u + 6v = 0; Parabola
B. 
u2 + 
v2 + 2u + 6v = 0; Ellipse
C. -
u2 + 
v2 + 2
u + 6v = 0; Hyperbola
D. 
u2 + 2v2 + 6u + 2
v = 0; Ellipse
Find the simple interest. The rate is an annual rate unless otherwise noted. Assume 365 days in a year and 30 days per month. Round to the nearest cent.$1380 at 3% for 3 years
A. $124.20 B. $1380.00 C. $153.33 D. $12.42
Solve the equation.
+ 8 = 7
A. {1} B. ? C. {225} D. {-1}
Solve.
+ 
= 1
A. 5
B. 35
C. 
D. 11