Download Review #1 Chapters 7-9

Mr. Borosky
Algebra 1 Review #1 Chapters 7-9
SHOW ALL WORK.
1. Is the point a solution?
(5,2)
2x – 3y = 4 |
2x + 8y = 11
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|
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3. Solve the Linear System by
Substitution.
x = 16 – 4y
3x + 4y = 8
5. Solve the Linear System by
Elimination.
5x + 6y = 50
-x + 6y = 26
Name: _____________
2. Solve the Linear System by
Graphing.
x - y = 2
| x + y = -8
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|
4. Solve using Substitution.
You sell short sleeve and long
sleeve T-shirts to raise money.
You sell 9 shirts for a total
of $60. You sell short sleeve
shirts for $5 and long sleeve
for $8. How many of each did
you sell?
Mr. Borosky
Algebra 1 Review #1 Chapters 7-9
Name: _____________
SHOW ALL WORK.
6. Solve the Linear System by
Elimination.
x + y = 2
2x + 7y = 9
7. Solve the Linear System by
Elimination.
11x – 20y = 28
3x + 4y = 36
8. Solve using either Method.
-9x + 6y = 18
6x – 4y = -12
9. How many solutions are there?
y = -6x - 2
12x + 2y = - 6
10. Graph the system of
Inequalities.
Use Graph Paper
y ≥ 1
| y > x
|
|
Mr. Borosky
Algebra 1 Review #1 Chapters 7-9
SHOW ALL WORK.
11.
42 * 46
14. Find the missing
value
(y8)? = y16



3
17.
 3x 5
 2
 7y
20.
7-6 * 74
Name: _____________
12.
a4 * a3 * a10
13.
(-5x)2
15.
10 5 * 10 5
10 4
16.
1
* y15
y8
18. Find the missing
value
7? * 72
 76
4
7
21.
 1 
60 *  2 
4 
SHOW ALL WORK.
23. Write the number in
scientific notation
8.5
25. Put the numbers in order
from least to greatest. Show
all numbers in scientific
notation and then put the
original numbers in order.
45,000; 6.7 * 103; 12,439; 2 * 104
19.
22.
15x0
1
2
8 x y 6
24. Write the number in decimal
notation
1.11 * 102
26.
Perform the operation and
put the answer in both
Scientific and Decimal Notation
6 * 10 3
8 * 10 6
Mr. Borosky
Algebra 1 Review #1 Chapters 7-9
27. Write a rule for the
function
x | y__
-2 | 1/8
-1 | 1/4
0 | 1/2
1 |
1
2 |
2
Name: _____________
28. Graph the function (Use
Graph paper show 5 points)
2
y =
* 3x
3
29. Graph the function (Use
Graph paper show 5 points)
3
y =  
5
x
SHOW ALL WORK.
30. Write the polynomial in
descending order and tell the
degree of the polynomial
31.
(6c2 + 3c + 9) – (3c – 5)
5z + 2z3 – z2 + 3z4
32.
-5b3(4b5 – 2b3 + b – 11)
33.
(y2 + 8y – 6)(4y – 3)
34.
(6b – 1)2
35.
(13 – 2x)2
36.
Factor Out GCF
12a5 + 8a
37.
Factor out GCF
20x2y2 – 4xy
Mr. Borosky
Algebra 1 Review #1 Chapters 7-9
SHOW ALL WORK.
38. Factor
x2 + 4x + 3
Name: _____________
39. Factor and solve
y2 – 2y - 8 = 7
40. Factor
5x2 - 6x + 1
41. Find the Zeros of the
function
f(x) = 3x2 + x – 14
42.
Factor
y2 – 10y + 25
43.
44.
Factor
x4 – 81
Factor
x(x – 8) + (x – 8)