Multiple Choice
Which expression is equivalent to (–2)(a + 6)?
(1 point)
Responses
–2a + 6
–2 a + 6
2a + 12
2 a + 12
–2a – 12
–2 a – 12
–2a + 12
The correct expression that is equivalent to (–2)(a + 6) is:
–2a – 12
To which subsets of real numbers does the number –22 belong? Choose all subsets that apply.
(1 point)
Responses
whole numbers
whole numbers
rational numbers
rational numbers
integers
integers
irrational numbers
irrational numbers
natural numbers
To which subsets of real numbers does the number –22 belong?
The correct subsets that apply are:
- Integers
- Rational numbers
What is an algebraic expression for the following word phrase: "6 times the difference of b and p?"
(1 point)
Responses
6b – p
6 b – p
6(b – p)
6( b – p )
6 – bp
6 – bp
6bp
The correct algebraic expression for the word phrase "6 times the difference of b and p" is:
6(b – p)
What is the simplified form of the expression?
Start Fraction 5 left-parenthesis 14 minus 2 right-parenthesis squared over 2 End Fraction
(1 point)
Responses
60
60
30
30
72
72
360
The simplified form of the expression Start Fraction 5 left-parenthesis 14 minus 2 right-parenthesis squared over 2 End Fraction is 30.
what is the answer
Apologies for the confusion. The correct answer is 72.
Evaluate u + xy, if u = 18, x = 10, and y = 8.
(1 point)
Responses
188
188
36
36
98
98
224