1) Which expression is equivalent to −2(a+6)(1 point)
Responses
−2a+12negative 2 A plus 12
−2a+6negative 2 A plus 6
−2a−12negative 2 A minus 12
2a+12
−12 - 2a
1) Which expression is equivalent to −2(a+6)(1 point)
Responses
−2a+12
−2a+6
−2a−12
2a+12
−2a−12 is equivalent to −2(a+6).
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
integers
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
6(b - p)
4) What is the simplified form of the expression?
5(14−2)22
(1 point)
Responses
60
60
72
72
30
30
360
The simplified form of the expression 5(14−2)22 is 360.
5) Evaluate u + xy, if u = 18, x = 10, and y = 8. (1 point)
Responses
36
36
98
98
224
224
188