Quiz 1 Algebra

Evaluate u + xy, for u = 18 , x = 10 , and y = 8.

• 188

• 98

• 36

• 224

Simplify :
(1/3)(21m + 27)

• 63m + 9

• 7m + 81

• 7m + 9

• 7m + 27

Simplify
1.7m² + 6.5n - 4n + 2.5m² - n

• 4.2m² + 1.5n

• 1.5m² - 4.2n

• 4.2m² - 1.5n

• 1.5m² + 4.2n

Solve:

-n + 8 = -3(n - 4)

• All real numbers

• 2

• -1

• -7

Solve X where 3X + 7 - 2 = 8

• 1

• 2

• 3

• 4

5a + 2b - b + 4a =

• 6a

• a+b

• 9a+b

• 7a-3b

Add the following: 3x - 2y + 2y + 3z + 2z - 4x - 5y.

• a. x - 5y - z

• x -

• - x - 5y - z

• - x - 5y + 5z

Factor the polynomial 5x - 15

• x = 5

• 5(x - 3)

• x - 3

• 5x - 3(5)

Which of the following represents the factors of the expression,

x²-3x-40 ?

• 1. (x-8)(x+5)

• 1. (x-7)(x+4)

• 1. (x+10)(x-4)

• 1. (x+6)(x-9)

What are the zeros of a quadratic expression, represented by the factors,

(x+6) and (x-7) ?

• 1. x=6 and x=7

• 1. x=6 and x=-7

• 1. x=-6 and x=7

• 1. x=-6 and x=-7