Algebra I, First Semester
Lesson 1
1. Write an algebraic expression for the phrase “the quotient of z and 8 added to 9”
2. Evaluate the expression –(xy)3 + ?
? when x = 2 and y = -4
3. Simplify the expression:
-20 – (-6) * (-2)2
4. Is the ordered pair (-2, 5) a solution to the equation: 3x + 2y = -4? Please show your work.
Name: __________________________
6. Simplify each equation:
a. 8×2 – x2
b. 16 ÷ (− 5
4 )
7. Identify the property being shown:
(a + b) + c = c + (a + b)
5. Order the numbers: 7
8 ,
3
4 ,
8
5 ??? 1
2
5 from least to greatest.
10. Simplify the expression:
1
3 x + 6 –
2
3 ? – 5
9. Tell whether the expressions are equivalent.
a. (5 – 3)a and a * 2
b. 72??
9? and 8xy
8.8. Tell whether the given value is a solution of each equation. a = -3 a. 6a – 1 = 17
b. a + 4 = 1