1) Which expression is equivalent to −2(a+6)(1 point)

Question

Responses

−2a+12negative 2 A plus 12

−2a+6negative 2 A plus 6

−2a−12negative 2 A minus 12

2a+12

Answer 1

−12 - 2a

Answer 2

1) Which expression is equivalent to −2(a+6)(1 point)
Responses

−2a+12

−2a+6

−2a−12

2a+12

Answer 3

−2a−12 is equivalent to −2(a+6).

Answer 4

2) To which subsets of real numbers does the number -22 belong? Choose all subsets that apply. (1 point)
Responses

rational numbers
rational numbers

irrational numbers
irrational numbers

natural numbers
natural numbers

whole numbers
whole numbers

integers

Answer 5

integers

Answer 6

3) What is an algebraic expression for the following word phrase: "6 times the difference of b and p?" (1 point)
Responses

6 - bp
6 - bp

6(b - p)
6( b - p )

6bp
6 bp

6b - p

Answer 7

6(b - p)

Answer 8

4) What is the simplified form of the expression?

5(14−2)22

(1 point)
Responses

60
60

72
72

30
30

360

Answer 9

The simplified form of the expression 5(14−2)22 is 360.

Answer 10

5) Evaluate u + xy, if u = 18, x = 10, and y = 8. (1 point)
Responses

36
36

98
98

224
224

188

Answer 11

To evaluate u + xy with u = 18, x = 10, and y = 8, we substitute the values into the expression.

u + xy = 18 + (10)(8) = 18 + 80 = 98

So, the answer is 98.