Which gives the first two steps to evaluate 3-2(7+1)^2-1
A. Subtract 2 from 3, add 7 plus 1
B. Add 7 plus 1, multiply 2 times 8
C. Add 7 plus 1, square 8 *This is the answer I picked*
D. Add 7 plus 1, subtract 1 from 8.
2. Which of the following equalities are valid? Choose
all that apply.
A. (3^2+4)-2=11*I picked this*
C. 2*(3^2-1)=16*and picked this*
3. Which statement illustrates the identity property of multiplication?
C. 11x*1=11x *I guessed this one*
Which statement illustrates the identity property of addition?
B. 10x+0=10x *I guessed this one*
A. X=-9, Y=4
B. X=9, Y=4
C. X=-9, Y=-4
D. X=9, Y=-4
Which values for a and b make the statement (a - 2)(b + 3) = 0 true?
A. a = -2, b = 3
B. a = 2, b = 3
C. a = -2, b = -3
D. a = 2, b = -3
7. Which of the following gives an
example of a set that is closed under multiplication? Choose all that apply.
A. The product of a prime number and a prime number
B. The product of a whole number and a whole number
C. The product of a negative number and a negative
D. The product of a natural number and a natural
8. Which of the following is the
multiplicative inverse of 10/3
C. - 3/10
D. - 10/3
Which of the following is the additive inverse of -4b?
C. 1/4 b
D. - 1/4 b