Alg. II Quiz

Which set of numbers does NOT contain this value?

 $-\frac{\sqrt{64}}{2}$  

• R

• N

• Z

• Q

Which of the following lists of values contain rational numbers only?

• $90,\ -1.35,\ \pi$

• $\frac{63}{9\ \ },\ \sqrt{\frac{1}{16}}\ ,\ \sqrt{50}$

• $-\sqrt{81},\ \frac{\sqrt{7}}{\sqrt{7}},\ \ \overline{.5}\ \$

• $\sqrt{28}\ ,\ 0,\ \ \ 4\frac{1}{5}$

Which of the following represents the multiplicative inverse of this value?

 $\frac{8}{7y}$  

•  $\frac{7}{8}$  

•  $8$  

•  $7$  

•  $\frac{7y}{8}$  

Name the property illustrated by the statement:

"(7a + 2) + 3b = 3b + (7a + 2)

• Commutative Property of Multiplication

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Property of Addition

Simplify the expression below.

 $\sqrt{324\ }-\ \left(2-9\right)^2\$  

 $\frac{\sqrt{2^{6\ }}\ +\ \left(11\ -\ 5^2\right)}{\left|-10\ \div2\right|}$  

Simplify the expression above.

Which equation has a solution or all real numbers?

• $5k\ -\ \left(6k\ -\ 18\right)\ =\ 9\ -\ k\ +\ 17$

• $14\ -\ 5\left(y+\ 10\right)\ =\ 4\ -\ 8\left(y\ +\ 5\right)$

• $6\left(-2w\ -\ 3\right)\ =\ -4\left(3w\ +\ 7\right)\ +\ 10$

• $7m\ -\ 2\left(2m\ +\ 3\right)\ =\ 8\ -\ \left(3m\ -\ 10\right)$

 $8a\ -\ \left(2\ +\ 7a\right)\ =\ 3\left(3a\ -\ 10\right)\ -\ 20$  

Solve the equation below.

 $x\ =\ \frac{4}{9\ },\ y\ =\ \frac{1}{2},\ and\ z\ =\ \frac{3}{5}$  

With the above values, evaluate this expression

 $6xy\ -\ 3z$  

•  $\frac{7}{15}$  

•  $\frac{-3}{5}$  

•  $\frac{-7}{15}$  

•  $\frac{3}{5}$  

 $\frac{5p\ -\ 8}{2}\ =\ \frac{7p\ +\ 4}{6}$  

Solve the equation above.