Modeling and Solving Equations and Inequalities

One difference between equations and expressions would be...

• you solve both of them using inverse operations.
• you flip the symbol when you multiply or divide by a negative
• equations have an equals because they show two equal expressions. Expresions have terms and operations.

It is a mathematical sentence that contains an equal sign...

• Expression

• Equation

• Inequality

• None of the above

What does Isolate the Variable means?

• To leave the variable by itself.

• To multiply the variable

• To change the variable

What is the inverse operation for addition?

• Multiplication

• Division

• Subtraction

What is another word for INVERSE?

• Adverse

• Opposite

• Reverse

• Invest

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥

• <, >

Solve the equation:

x/8 = 5

• 30

• 35

• 40

• 45

Solve the equation:

a - 27 = 41

• a = 68

• a = -41/27

• a = -1107

• a = 14

Solve the equation:

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

Solve the equation:
4p = 16

• p = 12
• p = 64
• p = 3
• p = 4