Unit 1- Algebra Basics REVIEW
x = -35
3x - 7 = 11
11. Identity 12. Inverse 13. Zero product 14. Distributive
Identify the property for each equation or expression shown.
15. Commutative 16. Symmetric
Identify the property for each equation or expression shown.
7. Associative 8. Inverse 9. Transitive 10. Reflexive
Identify the property for each equation or expression shown.
1. Z, Q, R 2. N, W, Z, Q, R 3. W, Z, Q, R 4. I, R 5. Q, R 6. Q, R
List ALL the sets to which each number belongs.
26
Solve
48) x < 3; graph should have an open circle on 3, pointing to the left. 50) x is > or equal to -8; graph should have a closed circle on -8, pointing to the right.
Solve and Graph.
52) x is < or equal to 16; graph should have a closed circle on 16, pointing to the left. 54) x < 7; graph should have an open circle on 7, pointing to the left.
Solve and Graph.
-15
Solve.
-2
Solve.
-48
Solve.
1
Solve.
13
Solve.
14
Solve.
36. -4n - 5 37. 4x - 12y + 4 38. -3x + 4 39. 8x - 29
Solve.
40. x = 6 41. x = -20
Solve.
5
Solve.
9
Solve.
5 + (x/8) = 42
Translate & Solve: "Five more than the quotient of a number and eight is 42".
4(x-9) = -30
Translate & Solve: "Four times the difference of a number and nine is -30".
a is < or equal to 150
Translate & Solve: "The auditorium can hold a maximum of 150 people".
a is > or equal to 25
Translate & Solve: "You must be at least 25 to rent a car".
2n-1
Translate the expression.
7n + 3
Translate the expression.
Rational Number because it is a repeating decimal.
Where does "-0.2222...." first appear in the real number system?
Integers
Where does "-5" first appear in the real number system?
Whole Numbers
Where does "0" first appear in the real number system?
Rational Number
Where does "2 1/6" first appear in the real number system?
Natural Number because it equals 4
Where does "36/9" first appear in the real number system?
Irrational Number - 72 is not a perfect square
Where does "the opposite of the square root of 72" first appear in the real number system?
Natural Number
Where does "the square root of 100" first appear in the real number system?
Rational Number because it equals 2/3
Where does "the square root of 4/9" first appear in the real number system?
Irrational Number
Where does the symbol "pi" first appear in the real number system?