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math_help.docx
1. What are the coordinates of point A on the following graph?
A. (-3, -4) B. (-4, 3) C. (3, -4) D. (-4, -3) E. (3, 4)
2. In the graph below, no axes or origin is shown. If point B's coordinates are (10,3), which of the following coordinates would most likely be A's?
A. (17, -2) B. (10, 6) C. (6, 8) D. (-10, 3) E. (-2, -17)
Find the Intercepts and give them here. Answer ___________
Find the slope of the line and give it here. Answer _________
Answer ___________________
Answer ____________
6. You are visiting Somewhere City and you take a taxi. The taxi fee is a flat fee of $3.00 and a charge of $0.75 per mile. Write an equation that you could use to find the cost of the taxi ride. Let x represent the number of miles and y represent the total cost.
Answers:
What is the line equation? ___________________
What would a taxi ride for 8 miles cost? ____________
If a taxi ride cost $15, how far was the trip? ____________
7. Solve the inequality x – 72 > 21
A. x > 51 B. x > 93 C. x > -93 D. x > -51 E. x > 45
8. If 3x + 3 = 6x-15 then x + 8 =
A. 5 B. 10 C. 11 D. 12 E. 14
9. Which of the following is a correct graph of x>1, x <4?
A. Line A B. Line B C. Line C D. Line D E. Line E
Answer
11. Which of the following correctly completes the problem? Solve for x: 2(x – 1) + 3 = 5
A. 2x + 2 + 3 = 5
2x + 5 = 5
x = 2
B. 2x – 1 + 3 = 5
2x = 3
x = 3/2
C. 2(x – 1) = 8
x – 4 = 4
x = 5
D. 2x – 2 + 3 = 5
2x = 4
x = 2
12. Solve the following equation for A: 2A/3 = 8 + 4A
A. -2.4 B. 2.4 C. 1.3 D. -1.3 E. 0
13. If 8x + 5x + 2x + 4x = 114, the 5x + 3 =
A. 12 B. 25 C. 33 D. 47 E. 86
14. Given the points (-6, 1) and (2, 4) find the slope of the line that connects these points
a) -3/8
b) 8/3
c) -4/3
d) 3/8
e) -5/4
15. What is the graph of the equation 5x – 2y = 6?
A)
B)
C)
D)
16. What is the slope of the line through the points P(–5, –6) and Q(–12, 5)?
A) -11/7
B) 17/11
C) - 11/17
D) 11/17
17. The equation 3y + 7x = 4 best describes a
A) point B) parabola C) line D) hyperbola E) circle
18. What is the slope of the line that contains the given pairs of points (-11, 7) and (15, -3)?
Answer ____________
19. Evaluate the expression: −12 − 7x
x as x = −1
Answer _________________
20. Solve the following equation: 7x + 2(x + 9) = −9
Answer _______________
21. For the following exercise, graph the inequality and show (shade in) the solution region.
1. 2x + 5y ≥ 20
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3
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4
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8
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4
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