Page 110 - Algebra 1

i. x-3 2
the 15 weeks.
Distributed and Integrated
4 _
h. 3x+9
Jon has d dollars in a savings account. He withdraws x dollars amount of money that will be left in the savings account at the end of
j. Savings
(Ex 3) each week for 15 weeks. Write an algebraic expression to represent the
Practice
Expand each algebraic expression by using the Distributive Property. 1. (4 + 2y)x
(15)
2. -2(x - 4y) (15)
3. Write What is a term of an algebraic expression? (2)
4. Given the sets A = {-3, -2, -1}, B = {1, 2, 3}, and C = {-1, 1, -2, 2, -3, 3},
(1)
Write the algebraic expressions for each statement.
*5. three times the sum of the opposite of a number and -7
(17)
*6. 0.18 of what number is 4.68? (17)
7. Add 4.7 + (-9.2) - 1.9. (10)
8. Compare √ 36 + √ 12 1 √ 10 0 + √ 49 using<, >, or =. (13)
9. Between which two whole numbers is √ 15? (13)
10. Justify True or False: k = 0 · k, where k is any real number except for zero. Justify your
(12)
answer using the properties.
11. Evaluate (a + 4)3 + 5x2 when a = -3 and x = -1.
(16)
*12. Justify True or False: yx2m3 = -4 when x = -1, y = 2, and m = -2. Justify your
(16)
answer.
*13. Translate 3(x + 6) into word form.
(17)
*14. Multiple Choice Which expression is the algebraic translation of “4 times the sum of (17) 9 and g”?
are the following statements true or false?
a. A ∩ C = {-3, -2, -1}
b. A ∩ B = {-3, -2, -1, 1, 2, 3}
c. B ∪ C = {-3, -2, -1, 1, 2, 3}
d. A ∪ B = {-3, -2, -1}
A 4+9g B 4(9+g) C 4·9g D (4+9)g
Lesson 17 95