Approximate to the nearest hundredth.
± 
A. 2.80, -1.60
B. 0.66, -0.66
C. 3.92, -2.72
D. 1.26, -0.06
Answer: D
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Solve. Graph the solution on a number line, and express it in interval notation.1 ? 2x - 3 ? 9
A. -6 < x < -2, (-6, -2)
B. 2 < x < 6, (2, 6)
C. -6 ? x ? -2, [-6, -2]
D. 2 ? x ? 6, [2, 6]
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 1
A. Vertex: (0, -1);
x-intercepts: none;
y-intercept: (0, -1)
B. Vertex: (0, -1);
x-intercepts: (-1, 0) and (1, 0);
y-intercept: (0, -1)
C. Vertex: (-1, 0);
x-intercept: (-1, 0);
y-intercept: (0, 1)
D. Vertex: (0, 1);
x-intercepts: none;
y-intercept: (0, 1)
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = 2x2 + 6x - 1
A. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
B. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)
C. Vertex: 
;
x-intercepts: 
,
;
y-intercept: (0, -1)
D. Vertex: 
;
x-intercepts: 
, 
;
y-intercept: (0, -1)