Review for 2nd Six Weeks Exam

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Presentation transcript:

Review for 2nd Six Weeks Exam Day 1 Aspect Ratios

Aspect Ratios in the Media The figure is a picture of a 56” television whose screen has an aspect ratio of 16:9. Find the height, width, and area. 56”

You have just purchased a new truck You have just purchased a new truck. It comes equipped with P255/70 R18 tires. After a month, you decide to put on P295/65 R20 tires. Fill in the missing information for each tire size. Find the circumference of each tire. Tire P255/ 70 R18 P295/ 65 R20 Width (mm) Aspect Ratio (%) Height (inches) Diameter (inches) Circumference

After one rotation of the wheel, how many inches further has the larger tire traveled than the factory-installed tire? 2. After one rotation of the wheel, the truck with the larger tires has travelled ___________ times further than the truck with the factory-installed tires.

3. If the odometer reading is 90,000, you have actually travelled ___________ miles. 4. If the speedometer reading is 65 miles per hour, your actual speed is ______________ mph.

5. If you were driving in the truck with the larger tires and the speedometer showed a speed of 75 miles per hour, could you be ticketed for exceeding the 75-mph speed limit by more than 5 mph? More than 10 mph? Justify your answers and SHOW ALL WORK.