Average Algebra Chapter1Test

 11 August 20:38   

    Solve the afterward problems as indicated:

    1. Appraise $ab^2+a(b-c)-bc^2$ if a = 3, b = -5, and c = 2.

    2. A bike caster has a ambit of 50 inches. What is the breadth of its bore to the abutting hundreth? Use and .

    3. Allocate anniversary of the afterward as accustomed numbers(N), integers(Z), rationals(Q), or irrationals(I). If possible, account all classifications for that number:

     a. $sqrt$

     b. -3.84

     c. 6 - (-3)

     d. (2.5/4) + (3/2)

    4. Accompaniment the acreage illustrated in anniversary of the afterward statements:

     a. 2(x + 3) = 2x + 2(3)

     b. 5y - 4 = -4 + 5y

     c. 3m + (2 + m) = (3m + 2) + m

     d. a(1/a) = 1

    5. Abridge the afterward expressions:

    

     a. 3y(4 + 6x) - 2(y - 6).

     b. 2(a - 5) + 3a

     c. 5[c + 3(2c - 1)]

    6. Melvin buys several books of $0.39 stamps, anniversary book absolute one dozen stamps. He pays a absolute of $24.80 ($1.40 sales tax is included in the final price). How some books of stamps did Melvin buy?

    7. Break |3y - 4| + 5 = 10.

    8. Break the afterward inequalities:

     a. 2y - 4 > 3

     b. -7x < 35 + 3x

     c. $frac\; >\; 4$

    9. All acceptance at Axial Top Academy charge a minimum of 40 credits to canyon anniversary year. Jack takes seven courses in one year, one of which is account four credits. What haveto the minimum acclaim amount of anniversary of the additional six courses be if Jack affairs to canyon this year?