Alg A: Review of Intro to Inequalities

Alg A: Review of Intro to Inequalities

Multiple Choice

What is the meaning for  $\ge$  

• Less than

• Greater than

• Less than or equal to

• Greater than or equal to

Multiple Choice

What is the meaning for >

• Less than

• Greater than

• Less than or equal to

• Greater than or equal to

Multiple Choice

What is the meaning for <

• Less than

• Greater than

• Less than or equal to

• Greater than or equal to

Multiple Choice

What is the meaning for  $\le$  

• Less than

• Greater than

• Less than or equal to

• Greater than or equal to

Multiple Choice

Which inequality best represents:

Mia made more than 4 goals in her game

• m<4

• m>4

• m $\le$ 4

• m $\ge$ 4

Multiple Choice

Which inequality correctly represents:
You can score no higher than a 100 on your test

• x<100

• x>100

• x $\le$ 100

• x $\ge$ 100

Multiple Choice

Which inequality correctly represents:

You must be at least 16 to have a driver's license

• x<16

• x>16

• x $\le$ 16

• x $\ge$ 16

Multiple Choice

Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

Multiple Choice

Which figure shows the inequality x > -4?

• Figure 1
• Figure 2
• Figure 3
• Figure 4

Multiple Choice

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Multiple Choice

Is x = 12 a given solution to the inequality.
x > 5

• TRUE
• FALSE

Multiple Choice

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

• ≤, ≥ 
• <, >

Multiple Choice

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

Multiple Choice

x - 4 > 5

• x < 9
• x ≥ 9 
• x > 1
• x > 9

Multiple Choice

x - 4 > 5

• x < 9
• x ≥ 9 
• x > 1
• x > 9

Multiple Choice

• h > 10
• h > -10
• h < 10
• h < -10

Solution

• multiply by -3

• flip the sign

Solution

• Divide both sides by -3

• reverse the inequality symbol

Multiple Choice

Solve the following Inequality.

 $3x\ \ge\ 9$  

•  $x\ \ge\ 3$  

•  $x\ \le\ 3$  

•  $x\ <\ 3$  

•  $x\ >\ 3$  

Multiple Choice

What inequality does the number line graph represent? (Hint: You may have to solve each inequality.)

• x + 2 < 5
• 3x ≥ 9
• 2x - 1 > 5
• x + 3 < 0

Multiple Choice

2- 3x ≤ 20

• x  ≥ -6
• x ≤ -6
• x ≤ -7
• x  ≥ -7

Multiple Choice

Do I need to flip my sign?
-3x  ≥ 12

• Yes
• No

Multiple Choice

22 < 6c + 4

• 11>c
• 3>c
• 11<c
• 3<c

Multiple Choice

Solve
-5m < 10

• m < -2
• m > -2
• m < -50
• m > -50

Multiple Choice

-8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

Multiple Choice

Solve
-5m < 10

• m < -2
• m > -2
• m < -50
• m > -50

For the rest of the time...

Work on IXL skill K.10 (9K8)