Search
Review Questions
<< return to the previous section | continue to the next section >>
8.1 The Coordinate Plane
 
8.2 Lines and Distance
 
8.3 Lines
 
8.4 Graphing Linear Inequalities
 
8.5 Other Important Graphs and Equations
 
 
8.6 Coordinate Space
 
8.7 Key Formulas
 
8.8 Review Questions
 
8.9 Explanations
 
Review Questions
1. In the line segment pictured below, AB + CD = AD, and AB = BC. If AD = 15,what is the distance between the midpoints of AD and BC?
Note: Figure may not be drawn to scale.
(A) 0.5
(B) 1.5
(C) 3
(D) 4.5
(D) 7.5
2. Which of the following lines is perpendicular to y = 3x + 4 and has 6 for its x-intercept?
(A) y = 3x – 6
(B) y = –3x + 6
(C) y = –x + 6
(D) y = –x – 2
(D) y = –x + 2
3. Which of the following inequalities is graphed below?
(A) y > –2x – 2
(B) y ≥ –2x – 2
(C) y < –2x – 2
(D) y > x – 2
(D) y > –x – 2
4. The following equation represents which type of graph? 2y = –6x2 + 24x – 12
(A) A parabola that opens downward with vertex (–2 ,6)
(B) A parabola that opens upward with vertex (6, 2)
(C) A parabola that opens upward with vertex (–2, –6)
(D) A parabola that opens downward with vertex (2, 6)
(D) A parabola that opens downward with vertex (–6, 2)
<< return to the previous section | continue to the next section >>
Help | Feedback | Make a request | Report an error