Equations and Inequalities Review

What equation does this balance represent?

• 3x + 6 = 9

• -3x - 6 = -9

• 6x + 3 = 9x

• x + 1 = 1

What equation can be used to find x?

• 48 + 2x = 180

• 48 + x = 180

• 48x - 2 = 180

• 180x - 48x = 2

Pet Supplies makes a profit of $5.50 per bag on its line of natural dog food. There is a $50 one-time fee the store has to pay in order to keep this brand in stock. If the store wants to make a profit of no less than $5225, how many bags of dog food does it need to sell?

• 5.50x - 50 ≥ 5225

• 5.50 - 50x ≥ 5225

• 5.50x > 5225

• 5.50x < 5225

What inequality is graphed on this number line?

• y > -9.5

• f < -9.5

• r ≥ -9.5

• x ≤ -9.5

 $\frac{144}{12}$  Simplify completely 

•  $\frac{12}{1}$  

•  $\frac{72}{6}$  

•  $\frac{48}{4}$  

•  $\frac{36}{3}$  

 $\frac{500}{15}$  Simplify completely 

•  $\frac{100}{3}$  

•  $\frac{167}{5}$  

•  $\frac{50}{1}$  

•  $\frac{5}{3}$  

 $4232\div8$  

• 529

• 1,058

• 0.002

• 33,856

 $6\ \frac{1}{6}$  Convert to an improper fraction

•  $\frac{37}{6}$  

•  $\frac{37}{36}$  

•  $\frac{7}{6}$  

•  $\frac{13}{36}$  

 $3\ \frac{1}{3\ }\times\frac{4}{7}$  

•  $\frac{40}{21}$  

•  $\frac{35}{6}$  

•  $\frac{4}{21}$  

•  $\frac{9}{10}$  

What equation can be used to solve for x?

• 3x + 60 = 180

• x - 10 = 180

• 3x + 60 = 90

• x - 10 = 90