Question 1: We are driving to an amusement park, and we want to make sure our car speed stays at or below 70 mph. Say which inequality that demonstrates the speeds we may travel.
X < 70 mph
X > 70 mph
X ≥ 70 mph
X ≤ 70 mph
Question 2:
Graph the inequality on the number line. (the number line goes just like this: 0, 10, 20, 30, 40, 50, 60, 70, 80, 90)
Answer 1: X ≤ 70 mph
Answer 2: The graph of the inequality X ≤ 70 mph would be a closed circle on the point 70 on the number line, and a solid line extending to the left towards lower numbers.
Question 3: We arrived at the amusement park. Children under 5 years old are free! We are buying tickets to get in. Tell me the inequality that demonstrates the age a child can be to get in for free.
X < 5 years old
X > 5 years old
X ≥ 5 years old
X ≤ 5 years old
Question 4: Graph another inequality on this number line:
Age in years:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Answer 3: X < 5 years old
Answer 4: To graph the inequality X < 5 years old, plot an open circle on the point 5 on the number line, and draw a line extending to the left towards lower numbers.
Question 5: We see a sign at one of the roller coasters that says you need to be at least 48 inches tall to ride the ride. Again, tell the inquality that demonstrates how tall you could be to ride.
X < 48 inches
X > 48 inches
X ≥ 48 inches
X ≤ 48 inches
Question 6: Graph the inequality on the number line.
Height in inches: 0, 12, 24, 36, 48, 60, 72, 84, 96
Answer 5: X ≥ 48 inches
Answer 6: To graph the inequality X ≥ 48 inches, plot a closed circle on the point 48 on the number line, and draw a line extending to the right towards higher numbers.
Question 7: The amusement park also has a water park. The water park opens when the temperature reaches warmer than 75 degrees. Circle the inequality that demonstrates what the tempature could be for the water park to open.
Question 8: Graph the inequality on the number line.
Degrees: 0, 15, 30, 45, 60, 75, 90
Answer 7: X > 75 degrees
Answer 8: To graph the inequality X > 75 degrees, plot an open circle on the point 75 on the number line, and draw a line extending to the right towards higher numbers.
It has been a busy day at the Amusement Park! It is time to get something to eat. Ourr budget for lunch is 50 dollars. Tell me what the inequality that demonstrates how much we could spend for lunch without spending more than our budget.
Graph the inequality on this number line:
Money: 0, 10, 20, 30, 40, 50, 60, 70, 80, 90
Answer: X ≤ 50 dollars
To graph the inequality X ≤ 50 dollars, plot a closed circle on the point 50 on the number line, and draw a line extending to the left towards lower numbers.