Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices 
and 
is isosceles.
A. Yes
B. No
Answer: A
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Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 4x + 8
A. Opens: Down;
Vertex: (2, -4);
x-intercepts: none;
y-intercept: (0, -8)
B. Opens: Up;
Vertex: (2, 4);
x-intercepts: none;
y-intercept: (0, 8)
C. Opens: Up;
Vertex: (2, -4);
x-intercepts: (0, 0) and (4, 0);
y-intercept: (0, 0)
D. Opens: Up;
Vertex: 
;
x-intercepts: (1, 0) and (8, 0);
y-intercept: (0, 8)
Give a verbal description of the subset of real numbers represented by the following inequality, and sketch the subset on the real number line. ? ?-3 ? x < 0 ?
A. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than or equal to 0.
B. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
C. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
D. ?-3 ? x < 0 denotes the set of all real numbers greater than or equal to -3 and less than 0.
E. ?-3 ? x < 0 denotes the set of all real numbers less than or equal to -3 and greater than 0.
Solve the equation.-7b + 8 + 5b = -3b + 13
A. 13 B. -8 C. 5 D. -13
Use the graph to answer the question. 
What were the total sales for 2006?
A. $48,000 B. $582,000 C. $50,000 D. $764,000