algebra i concept test # 1 – integers practice test − 15 a positive times a negative is ? =...
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Algebra I Concept Test # 1 – Integers Practice Test
− 15
A positive times a negative is ?
=
Simplify: 1. 12 + (− 27)
− 42 =
2. (6)(− 7)
Negative
9 =
3. − 54 ÷ (− 6)
A negative divided by a negative is ? Positive
− 14 =
4. − 3 – 11
815. 92
=
− 166. − 42
=
9 • 9
− 4 • 4 7. (−
1)5 (− 1)(− 1)(− 1)(− 1)(− 1)
=
− 1
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0 =
Simplify:
8. −7(2) – (− 6) + 24 ÷ (3)
− 14 – (− 6) + 24 ÷ (3)
− 14 – (− 6) + (8)
− 14 + 6 + 8
− 8 + 8
Algebra I Concept Test # 1 – Integers Practice Test
Multiply
Divide
Subtract
Add
8 – 11
− 30
Simplify:
9. (− 9)(4) + (18) ÷ 3
8 – 11
− 36 + (18) ÷ 3
8 – 11
− 36 + 6
8 – 11
− 3
− 30
Exponent
Divide
Add
Subtract
+ 112
+ 121
+ 121
+ 121 + 121
Algebra I Concept Test # 1 – Integers Practice Test
Multiply (− 9)(4) + (18) ÷ 3
8 – 11
+ 121
Simplify:
9. Continued
10 + 121Add
131
− 3
− 30Divide + 121
=
Algebra I Concept Test # 1 – Integers Practice Test
11. Rewrite in exponential form:
j • j • j • j • j • j • j
10. Identify the base for the following:
k9
k
Simplify:
j7
Combine Like Terms:
12. 5x + 4x – 6y + 4y – 3 – 9
9x – 2y – 12
Algebra I Concept Test # 1 – Integers Practice Test
Combine Like Terms:
13. h2 – 4h + 6h2 + 2 – 8h2 + 10h – 4
− h2 + 6h – 2
14. 7a + 9b – 8 + a – 4b2 + 13 – 2b
8a – 4b2 + 7b + 5
Like Terms have the same variable base raised to the same power.
The final answer should have terms in alphabetical order and the exponents should decrease from left to right.
Algebra I Concept Test # 1 – Integers Practice Test
15. − 8(m – 9)
Simplify:
− 8m
Distribute
16. 6(3x + 9) + 24 + 8x
+ 24 + 8x Distribute
26xCombine + 78
17. − 8 – (12a – 8) + 7a
− 8Distribute
0 Combine – 5a − 5a
+ 72
18x + 54
– 12a + 8 + 7a
Algebra I Concept Test # 1 – Integers Practice Test
Algebra I Concept Test # 1 – Integers Practice Test
p2 – p + ps
18. Evaluate the following expression with p = − 5 and s = 4
(− 5)2 – (− 5) + (− 5)(4) Substitute
25 – (− 5) + (− 5)(4) Exponent
25 – (− 5) – 20 Multiply
25 + 5 – 20 Subtract
30 – 20 Add
10 Subtract
Algebra I Concept Test # 1 – Integers Practice Test
− xyz
19. Identify the coefficient of the following:
* The coefficient is the number part of a term.
− 1
20. Is 11 • 7 = 7 • 11 ?
Yes
Negative
21. When you divide a positive and a negative
number together, is the result negative orpositive?
77 = 77
This is the associative property of multiplication.
FOCUS ON WHAT IS POSSIBLE