Introductory Algebra

Chapter 2 & 3 Practice Test

1.    Solve for x:            x - 6 = - 10

2.    Solve for w:            6(w + 6) - 9w = 30

3.    Solve for x:           

4.    Solve for y:            4x - 5y = 10

5.    Two angles that have a sum of 90 degrees are called _______________ .

6.    Find three consecutive even integers whose sum is 114.

7.    In a chemistry lab, John needs to produce 200 millileters (ml) of a 44% acid solution.  He has on hand

       a 20% acid solution and a 60% acid solution.  How many millileters of each will he need?

8.    Graph the following inequality and give the interval notation.       

9.    Graph the following inequality and give the interval notation.        x < - 3

10.    Graph the compound inequality.          AND 

11.    Solve the inequality for x.            x - 4 < 2(x + 3)

12.    Write an inequality for the given graph.

KEY:

1.    x = - 4

2.    w = 2

3.    x = - 12

4.   

5.    Complementary angles

6.    36, 38, 40

7.    John needs 80ml of 20% acid solution and 120ml of 60% acid solution.

8.           

9.   

10.   

11.    x > - 10

12.    x < - 1