All Classes
Tomorrow we will have a test on:
Exponents
Prime Factorization
Order of Operations (with exponents)
Evaluating Expressions for given values
Distributive Property
Writing Algebraic Expressions
Combining Like Terms
Students should use pages 285-287 to study for this test. Here are the answers to the problems so students can check themselves: (the ones with exponents I couldn't get to show correctly, so I had to write them in words)
p. 285
1. 3.6 raised to the second power
2. 9 raised to the 4th power
3. the fraction 4 over 5, in parenthesis, raised to the 3rd power, with the 3 OUTSIDE the parenthesis
p. 286
4. 1
5. 169
6. 8/343
7. 0.16
8. 4/9
9. 0.343
10. 5 raised to the second power x 3
11. 1 x 29
12. 2 raised to the 3rd power x 3 x 7
13. 1, 84; 2, 42; 3, 28; 4,21; 6, 14; 7, 12
14. 45
15. 3
p. 287
1. 15 - x
2. 12/t
3. 4y
4. z+ 7
5. the product of 8 and p; 8 times p; 8 groups of p
6. the sum of s and 7; s plus 7; 7 more than s; s increased by 7
7. 67
8. 33
9. 25
10. -34 (not in your skill house. Don't worry about this one.)
11. 40 square inches
12. not equivalent
13. equivalent
14. m raised to the second power - 2m - 5
15. 15x - 24
16. 3b raised to the second power
17. 14p + 7
