Solving Expressions, Equations, and Inequalities

When solving an inequality, what is the main things that are different from solving equations.

• Draw the line

• Use inverse operations to solve.

• Bring down the inequality symbol and FLIP the symbol  when you multiply or divide by a negative.

Tags

CCSS.6.EE.B.8

When solving an inequality, what are the main things that are different from solving equations.

• Draw the line

• Use inverse operations to solve.

• Bring down the inequality symbol and FLIP the symbol  when you multiply or divide by a negative.

Choose an expression that is equivalent to the following
6n + 2(3 - 5n)

• n + 6

• 6 - 4n

• 16n + 6

Tags

CCSS.6.EE.A.4

0.1( x - 20 ) > 2

• x > 40

• x < 40

• x > 220

Tags

CCSS.7.EE.B.4B

The perimeter of an equilateral triangle is 18y - 6.  What is the length of one side of the triangle?

• 6y - 2

• 54y -18

• 3(18y -6)

Tags

CCSS.6.EE.B.7

Fred Flintstone bought seven boxes to put with his collection of boxes. A week later half the boxes were ruined in the rain. There are now only 22 boxes left. With how many did he start? (Select the correct equation)

• (x + 7)/2  = 22

• x/2 + 7 = 22

• x + 7/2 = 22

Tags

CCSS.HSA.CED.A.3

Which expression is equivalent to (s - 12) / 2

• s/2 -12

• s - 6

• s/2 - 6

Tags

CCSS.6.EE.A.4

-12x > 36

• x > -3

• x > 48

• x < -3

Tags

CCSS.6.EE.B.8

- 3( 4 - 2x) = 6

• x = 1

• x = -3 

• x = 3

Tags

CCSS.7.EE.B.4A

Choose the expressions that shows a $45 dollar watch discounted 25%.

• 45 - .25 = 44.75

• 45 + .25(45) = 1.25(45)

• 45 - .25(45) = .75(45)

Tags

CCSS.6.EE.B.6