Algebra 1-2 Quiz One Chapter 10

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Algebra 1
4.1 – 4.4 Quiz Review
Name______________________
Assignment________________
Write the ordered pairs that correspond to points A, B, C, and D
1.
2.
A
A
B
B
C
C
D
D
3.
Plot the following points in a coordinate plane.
A. (-2, 6)
B. (-5, -3)
C. (4, 1)
D. (6, -4)
E. (0, 3)
F. (0, -5)
G. (-2, 0)
H. (2, 0)
I.
(0, 0)
4.
Label the quadrants in the coordinate plane below
5.
List the quadrant that each of the points is in
DO NOT PLOT THE POINTS
6.
A. (-10, 75)
B. (0, 12)
C. (23, 16)
D. (42, -85)
E. (100, 0)
F. (-1, -90)
The following table shows various quiz grades for an algebra class, and how many students
received each grade. Make a scatter plot of the data. Use the horizontal axis to represent
the grade.
To test if a point is a solution, I plug in the coordinate for _______ and _________ and then
__________________ both sides of the equation.
If the statement is true, then it _____________ a solution
If the statement is false, then it is ___________ a solution
Decide if either of the points is a solution to the given equation.
7. 3x  y  18
8. y  18
a. ( -1, 21 ) b. ( 2, 11 )
a. ( 18, 0 ) b. ( 0, 18)
9. x  8
a. ( -8, 1)
b. (1, -8 )
10.  y  4 x  23
a. (5, -3)
b. (5, 3)
Function Form means that I get __________ all alone on the _____________ side of the equation
The right hand side looks like _____________ plus or minus a ________________
Write each equation in function form.
11.  2 x  y  1
12. 3x  y  2
13.  9 x  3 y  114
14. x  8 y  16
16.  4 x  y  18
15. 7  2 y  5 x
Use a table of values to graph the equation.
17. y  2 x  3
18. y 
1
x 1
2
x
y
x
y
19. 2 x  y  5
x
y
Horizontal Lines go ____________ to _____________
The equation of a horizontal line is ___________ = a number
Vertical Lines go ______________ and ____________
The equation of a vertical line is ___________ = a number
Graph the following equations.
20. x  4
21. y  3.5
22. x  2
23. y  6
Write an equation for the graphs shown below.
24.
25.
26.
27.
Intercepts are where my line crosses the ____________
x-intercept is when the graph crosses the _________________
You the find x-intercept by plugging in ______________ for __________
y-intercept is when the graph crosses the ________________
You the find y-intercept by plugging in ______________ for __________
Find the x-intercepts and the y-intercepts of the following equations.
28. x  y  5
29. x  y  9
x-int_______________
y-int___________________
x-int_______________
y-int___________________
30.  3x  y  15
x-int_______________
31. 2 x  24  8 y
y-int___________________
x-int_______________
y-int___________________
Use the graph below to find the x-intercept and the y-intercept.
32.
33.
34.
x-int__________
y-int__________
x-int__________
y-int__________
Graph the line that has the given intercepts.
35. x-intercept: 2
36. x-intercept: 3
y-intercept: -2
y-intercept: -1
x-int__________
y-int__________
37. x-intercept: 10
y-intercept: -6
Find the x-intercept and the y-intercept. Then use those points to graph the line.
38. y  x  3
39. y  2 x  4
x-int__________
y-int__________
x-int__________
y-int__________
40.  3x  5 y  15
x-int__________
y-int__________
41.  4 x  2 y  4
x-int__________
y-int__________
42. You sold tickets to the school play. Advanced tickers were $4. Tickets bought at the door
were $5. Total ticket sales were $400. Let x represent the number of advanced tickets sold
and y represent the number of tickets sold at the door.
A. Find the x-intercepts and y-intercepts of the equation 4x + 5y = 400 and graph.
B. Label the x-intercept and the y-intercept. What does each represent?
Answers
1. A: (5, 1)
B: (0, 4)
C: (-3, -1)
D: (0, 0)
2. A: (-4, 0)
B: (2, 3)
C: (1, -1)
D: (-3, -5)
C: I
D: IV
6. See Graphs
7. a: Yes
b: No
10. a: Yes
11. y = 2x – 1
3 – 4: See Graphs
5. A: II
14. y 
B: y-axis
b: No
1
x2
8
15. y  
5
7
x
2
2
E: x-axis
8. a: No
F: III
b: Yes
12. y = 3x – 2
See Graphs
18. (-2, -2) (-1, -1.5) (0, -1) (1, -0.5) (2, 0)
See Graphs
19. (-2, 9) (-1, 7) (0, 5) (1, 3) (2, 1)
See Graphs
28. x-int: (5, 0)
30. x-int: (-5, 0)
24. x = 2
y-int: (0, 5)
y-int: (0, 15)
b: No
13. y = -3x – 38
16. y = -4x + 8
17. (-2, -1) (-1, 1) (0, 3) (1, 5) (2, 7)
20-23: See Graphs
9. a: Yes
25. y = 4
26. x = -3.5
29. x-int: (-9, 0)
y-int: (0, 9)
31. x-int: (12, 0)
y-int: (0, -3)
y-int: (0, 3)
27. y = -3.5
32. x-int: (3, 0)
y-int: (0, 3)
33. x-int: (-1, 0)
34. x-int: (2, 0)
y-int: (0, -2)
35-37: See Graphs
38. x-int: (-3, 0)
y-int: (0, 3)
39. x-int: (2, 0)
y-int: (0, -4)
40. x-int: (-5, 0)
y-int: (0, 3)
41. x-int: (1, 0)
y-int: (0, -2) 38-41 See Graphs
42. x-int: (100, 0) y-int: (0, 80)
See Graph
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