Algebra 1 part 1
Name___________________________________ ID: 1
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Mid-Chapter Review
Date________________ Period____
Sketch the graph of each line. 1) x-intercept = -1, y-intercept = 5
2) x-intercept = 5, y-intercept = 4
y
y
6 5 4 3 2 1
6 5 4 3 2 1
-6 -5 -4 -3 -2 -1
1 2 3 4 5 6 x
-1 -2 -3 -4 -5 -6
3) 3 x + 2 y = -2
-6 -5 -4 -3 -2 -1
1 2 3 4 5 6 x
-1 -2 -3 -4 -5 -6
4) 4 x - 5 y = -10 y
y
6 5 4 3 2 1 -6 -5 -4 -3 -2 -1 -1 -2 -3 -4 -5 -6
6 5 4 3 2 1 1 2 3 4 5 6 x
-6 -5 -4 -3 -2 -1 -1 -2 -3 -4 -5 -6
1 2 3 4 5 6 x
5) The equation 5x + 12y = 240 describes the total amount of money collected when selling x paperback books at $5 per book and y hardback books at $12 per book. Calculate the x and y intercepts. Interpret their meaning in the context of the situtation.
6) Find the rate of change represented in the table. x y 1 2 4 6 7 10 10 14 Worksheet by Kuta Software LLC
-1-
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Find the slope of the line through each pair of points. 7) (-6, -2), (-20, -7)
8) (-3, -5), (-19, 15)
9) (4, -5), (4, 2)
10) (20, -13), (-15, -14)
11) (-4, 18), (11, 18)
12) (2.6, -2), (3.1, 4)
Find the value of x or y so that the line through the points has the given slope. 13) (-4, -1) and (3, y); slope:
6 7
14) (-4, 6) and (8, y); slope: -
1 2
15) The graph below shows the population growth (in thousands) in Heckertsville since 2003. a. For which time period is the rate of change the greatest? b. Explain the meaning of the slope from 2003 to 2009. y 20 18 16 14 12 10 8 6 4 2 1
2
3
4
5
6 x
Worksheet by Kuta Software LLC
-2-
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Answers to Mid-Chapter Review (ID: 1) 1)
2)
y
3)
y
y
6
6
6
4
4
4
2
2
2
-6 -4 -2
2
4
6 x
-6 -4 -2
2
4
6 x
-6 -4 -2
2
-2
-2
-2
-4
-4
-4
-6
-6
-6
4)
4
6 x
5) x = 48 paperbacks sold, y = 20 hardbacks sold
y 6 4 2 -6 -4 -2
2
4
6 x
-2 -4 -6
6) 4/3
1 35 14) 0 10)
5 14 11) 0 7)
8) -
5 4
12) 12
9) Undefined 13) 5
15) a. 2006-2007, b. increased about 630 per year
Worksheet by Kuta Software LLC
-3-
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