Dot Plot
A dot plot displays the ages of participants in a study. 22, 25, 23, 22, 24, 25, 26, 24. How many participants are 24 years old?
What is 2
Solve the inequality: 3x+5<14
what is x≤−4.
A student needs to score at least 70 points to pass a test. The test has 100 points total. If s is the student’s score write the inequality and check if a score of 68 passes.
What is 68<70
Find the vertex of the parabola from y=x2+4x+3
what is (−2,−1)
A car's distance from home, in miles, is modeled by the function d(t)=60t where t is the time in hours. How far is the car from home after 3 hours?
What is 180 miles
A class measured the heights of their plants in centimeters and recorded the data in a dot plot. 10, 12, 12, 14, 14, 14, 15, 16, 18. What is the range of the plant heights?
What is 8 cm
Solve the inequality:
2x+3≥11
What is x≥4
A company wants to produce at least 100 units to meet demand. If x is units produced and the profit per unit is $20 write a inequality showing the minimum profit P expected.
what is x≥100
A baseball is thrown into the air. Its height h in feet after t seconds is given by the equation h=−16tsqaured+64t+4. What is the maximum height the baseball reaches, and at what time does it reach that height?
What is 68 feet at 2 seconds.
The price of a book is given by the function P(x)=15+2x, where x is the number of additional features chosen. What is the price of the book if 4 features are selected?
what is 23 dollars
In a dot plot shows the number of pets owned by students the data points are 0, 1, 1, 2, 2, 2, 3, 4, 4, 5. How many students own 2 or more pets?
What is 5 students own 2 or more pets
A student must score at least 75% on their final exam to pass the class. If the final exam is worth 100 points what is the minimum score they need?
What is x≥75
A school auditorium can hold at most 250 people. If x represents the number of people attending a school play write an inequality for the allowed attendance and find whether 275 people can attend.
what is x≤250
A parabolic bridge follows the equation y=−2x2+8x What are the coordinates of the vertex of the parabola?
what is (2,8)
The profit from selling x items is modeled by the function P(x)=50x−200. How much profit is made if 10 items are sold?
What is 300 dollars
A survey determines how many hours students spend on homework each week. The dot plot shows the following values: 1, 2, 2, 3, 4, 4, 4, 5, 6. What is the median number of hours spent on homework?
What is 4 hours
A movie theater charges $10 per ticket. If you have a budget of $50 how many tickets can you buy?
What is 10x≤50
A taxi charges a base fare of $3 plus $2 per mile. If a passenger can only spend up to $15 write an inequality for the number of miles mm they can travel and find the maximum miles possible.
what is m≤6m
A basketball is thrown upwards with the height given by the equation h(t)=−5t2+20t+1h where h is the height in meters and t is the time in seconds. What is the maximum height reached by the basketball and at what time does this occur?
what is maximum height is 21 meters, and it occurs at 2 seconds.
The temperature in Celsius can be converted to Fahrenheit using the function F(c)=9/5 c+32. What is the Fahrenheit temperature when the Celsius temperature is 25 degrees?
What is 77 degrees Fahrenheit
A teacher recorded the number of books read by each student in a month. The dot plot shows 2, 3, 3, 5, 5, 5, 6, 7, 8. What is the mode.
What is 5
Dallas the gardener wants to plant at least 40 flowers in his garden and he has space for 10 more flowers than he has. If x is the number of flowers he currently has what is the inequality.
x+10≥40
A rectangle’s length L must be at least 5 meters but no more than 12 meters. Write an inequality representing L and determine if L=4meters is allowed.
what is 5≤L≤12
A skateboard ramps height y in feet along the horizontal distance x feet is modeled b y=−0.5x sqaured+4x+1. Find the highest point on the ramp and where it occurs.
what is 9 feet
A tutor charges $30 an hour. Write a function for total earnings E based on hours h tutored. What are the earnings for 10 hours?
what is 300 dollars