Earrings Price and Inequalities

The video tutorial covers solving inequalities and calculating discounts. It begins with an introduction to the lesson and a setup of an inequality problem. The instructor guides through solving and graphing two inequalities, using number lines and zero tests to determine solution sets. The final section involves a real-world application problem, calculating the discount percentage and amount for a pair of earrings. The tutorial emphasizes understanding inequalities and applying mathematical concepts to practical scenarios.

What is the solution to Diego's inequality problem?

• x > 50

• x < 50

• x ≤ 50

• x ≥ 50

In the inequality x < 9, what is the correct direction to shade on the number line?

• Shade to the right of 9

• Shade to the left of 9

• Shade both sides of 9

• Do not shade at all

What is the solution set for the inequality x < 9?

• x > 9

• x ≥ 9

• x ≤ 9

• x < 9

For the inequality x ≤ -4, which side of the number line should be shaded?

• Do not shade at all

• Shade to the right of -4

• Shade to the left of -4

• Shade both sides of -4

What is the solution set for the inequality x ≤ -4?

• x > -4

• x ≥ -4

• x < -4

• x ≤ -4

What was the original price of the earrings before the discount?

• $13.20

• $22.00

• $15.00

• $18.50

What was the sale price of the earrings?

• $15.00

• $22.00

• $18.50

• $13.20

What percentage discount did Priya receive on the earrings?

• 20%

• 50%

• 40%

• 30%

How much money did Priya save on the earrings?

• $8.80

• $5.00

• $10.00

• $6.80

If the earrings were originally $22, what is 40% of this price?

• $9.00

• $8.80

• $10.00

• $11.00