- 1. The graph shown is correct for the inequality: 2y - x < 2.
A) No
B) Yes
- 2. Choose the inequality for the graph shown.
A) None of these choices
B) x - y < -1
C) x - y > -1
D) x + y > -1
E) x + y < -1
- 3. Tell whether the ordered pair is a solution of the inequality.
y - x > -2; (-1, -4)
A) solution
B) not a solution
- 4. Solve the inequality shown below.
3|5 - x| <= -9
A) x >= 2 or x <= 8
B) x <= 2 and x >= 8
C) x <= 2 or x >= 8
D) None of these choices
E) x >= 2 and x <= 8
- 5. Which equation has no solution?
A) -9|4p + 2| - 8 = -35
B) |m + 5| + 1.5 = 2
C) -4|8 - 5n| = 13
D) None of these choices
E) -10|14 - r| - 2 = -7
- 6. For the following line select the choice the will pass through the given point and be perpendicular to the line.
(2, 3); x + 2y = -7
A) 2x - y = 7
B) y = 2x - 1
C) None of these choices
D) y + 2x + 1= 0
E) y = -2x - 1
- 7. Choose the line of best fit for the scatter plot shown.
A) 2.6x + y = -2.3
B) y + -2.6x = 2.3
C) 2.6x - y = 2.3
D) y + 2.6x = 2.3
E) None of these choices
- 8. The table shows the number of audio cassette tapes shipped for several years during the period 1994 through 2002.
Using a linear regression, at what rate in millions of tapes-per-year did the number of tapes shipped change over time? Round your answer to the nearest tenth.
- 9. The table shows total sales S from men's clothing stores in the USA for the years y from 1997 to 2002. The line of best fit for this data is:
A) S = 0.046y + 12.2
B) S = 0.076y + 10.5
C) S = 10.5y - 0.046
D) S = -0.076y + 10.5
E) S = -0.046y + 10.5
- 10. The product of the slopes of two perpendicular lines is 1.
A) True
B) False
- 11. Two perpendicular lines with the same y-intercept have a common ordered pair.
A) True
B) False
- 12. The following equation would have to be multiplied by 2 to be written in standard form.
4x + 3y = 15.5
A) False
B) True
- 13. Is the following sequence arithmetic?
3, 5, 7, 9, 11, ...
A) No
B) Yes
- 14. Identify the given point the line represented by equation below will pass through.
y - 2 = 5(x + 8)
A) (-2, 8)
B) (-8, 2)
C) (8, -2)
D) None of these choices
E) (-2, -8)
- 15. A line passes through the point (1, -5) with a slope of -2. My student wrote this in point-slope form as follows:
y - 5 = -2(x - 1)
My response to the student should be:
A) None of these choices
B) Wrong. It should be written y + 5 and x + 1.
C) Correct!
D) Wrong. In point-slope form the slope should be written as a reciprocal.
E) Wrong. It should be written y + 5.
- 16. If I have a direct variation with a y-intercept of 2, then the equation will be written:
y = k(x) + b
A) False
B) True
- 17. The point-slope form for the graphed line is:
A) y - 8 = 2(x + 6)
B) y - 8 = 2(x - 6)
C) y + 8 = 2(x + 6)
D) y - 6 = 2(x - 8)
E) y + 8 = 2(x - 6)
- 18. The line in the graph above passes through points at (-6, 7) and (10, -1).
Write the standard form of the equation for this line.
A) x + 2y = 8
B) x + 2y = 4
C) None of these choices
D) 10x + 7y = -6
E) .5x + y = 4
- 19. Rewrite the following equation to solve for x.
ax + b = d + cx
A) x = (c - a) / (b + d)
B) x = (cx - bd) / a
C) x = (b - d) / (c - a)
D) None of these choices
E) x = (cx - d - b) / a
- 20. The price of a token for to ride a city's subway system is changing from $1.25 to $1.60.
Find the percent of change. Be sure there is a percent sign (% ) in your answer.
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