# Algebra Quiz2

10 Questions | Total Attempts: 34  Settings  Topics covered include: matrices, distributive property with exponents, probability, domain, and range.

Related Topics
• 1.
(7+x)+8
• A.

15+x

• B.

1+x

• C.

56+8x

• D.

8x+7

• 2.
Symplify 3(x-9).
• 3.
simplify  x(1+x3) using what you know about the properties.
• 4.
• A.

{10,-6,-11}

• B.

{-10,-6,11}

• C.

{-7,-12,- 4 }

• D.

{-7,12,4 }

• 5.
• 6.
Solve the Matrix  N= -5 [ 8  9  7 ]. (write the numbers with parenthesis and  commas between: for example [5,6,7] )
• 7.
Add the matrices  [10  9  12] + [15   -6  13] (write the numbers with parenthesis and  commas between: for example [5,6,7] )
• 8.
• A.

4 by 4

• B.

3 by 3

• C.

3 by 4

• D.

2 by 4

• 9.
• A.

30%

• B.

60%

• C.

50%

• D.

40%

• 10.
Isabelle's Bagel Shop recently sold 10 bagels, of which 2 were raisin bagels. What is the experimental probability that the next bagel sold will be a raisin bagel? p(raisin bagel)=? Simplify your answer and write it as a fraction or whole number.