Equations and in Equalities

When showing an inequality on a numberline, when do you draw a shaded Circle on top?

 

 

 Which inequality matches the graph?

• B

• D

• C

• A

• Less than

• Less than or Equal to

• More than

• More than or Eual to

• Subtract 11 to both sides.

• Add 11 to both sides.

• Multiply both sides by 11.

• Divide both sides by 11

Pick the correct inequality.

• A

• C

• D

• B

Which choice models this situation? Marcus needs to sell 25 tickets to a fundraiser by Friday. So far, he has sold 9 tickets. How many tickets does he still need to sell?

• t + 9 = 25

• 9t = 25

• t/9 = 25

• t - 9 = 25

What is the inverse operation of division?

• Addition

• Multiplication

• Subtraction

• Squaring

From this equation, name the variable. 3x=7

• 3

• X

• 7

• -4

Mathematically, what is the 10 doing to x?   10x=90

• Multiplying

• Dividing

• Adding

• Subtraction

Solve for x

x + 5 =13

• 18

• 8

• 20

• 11