Question

1. Find the sum

5/2 + (-2/3)

a. 11/6
b -11/6
c -10/6
d 10/6


2. Which property is illustrated by the statement

(4+6.1)+7=4+(6.1+7)

a associative property of addition
b inverse property of multiplication
c commutative property of addition
d inverse property of addition


3. To which set of real numbers does the number 1/5 belong

a irrational numbers
b rational numbers
c whole numbers, integers, rational numbers
d whole numbers, natural numbers, integers




4. What is the algebraic expression for the following word phrase: the product of 2 and y


a 2y
b 2+y
c 2-y
d 2/y



5. What is the simplified form of the expression 1/196

a 1/14
b 13
c 1/12
d 1/169



6. Evaluate x/y for x=2/3 and y=6/7

a 7/9
b 8/21
c 8/10
d 12/21


7. Simplify the expression (3/5)^2

a 6/10
b 9/5
c 3/25
d 9/25



8. What is the simplified form of the expression
7[63 ÷ (5^2 - 2^2)-1]

a 10
b 42
c 14
d 350

9 which is a solution of the equation y=2x+5

a (5,20)
b (6,12)
c (3,11)
d (4,14)


10. Solve the equation
For
4y-2=26

a 7
b 5
c 3
d 26

Answer 1

Simplify the expression.

7.5(–5.9)

–11.21

14.25

–44.25

44.25

Answer 2

1. Find the sum 5/2 + (-2/3)

[(5/2)(3/3)] + [(-2/3)(2/3)]

15/6 – 4/6 = 11/6

a. 11/6

2. Which property is illustrated by the statement (4+6.1)+7=4+(6.1+7)

a associative property of addition

3. To which set of real numbers does the number 1/5 belong

b rational numbers

4. What is the algebraic expression for the following word phrase: the product of 2 and y

a 2y

5. What is the simplified form of the expression 1/196

*no correct answer among the choices. 1/196 is the simplified form.

6. Evaluate x/y for x=2/3 and y=6/7

2/3 ÷ 6/7 =>>> 2/3 * 7/6 = 14/18 simplified to 7/9

a 7/9

7. Simplify the expression (3/5)^2

d 9/25

9 which is a solution of the equation y=2x+5

c (3,11)

10. Solve the equation For 4y-2=26

4y = 26 +2 => 4y = 28 => y = 28/4 => y = 7

a 7