Equations and Inequalities

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

• ≤, ≥ 
• <, >

What inequality does the number line graph represent

• x ≤ 4

• x ≥ -4

• x < -4

• x > 4

What inequality does the number line graph represent?

• x ≥ 3

• x > 2

• x < -3

• x ≤ 6

x + 9 = 14

• x = 6
• x = -6
• x = 23
• x = 5

c - 18 = 24

• c = 42
• c = 6
• c = -6
• c = 1.3

-12p = 60

• p = 5
• p = -5
• p = 48
• p = -48

Which of the following equations has a solution of 4?

• -6x = 24

• x + 17 = 21

• x - 8 = 4

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26