Coordinate Algebra EOC Review

A rectangle has a length of 12 meters and a width of 400 centimeters. What is the perimeter, in cm, of the rectangle?

• 824

• 1600

• 2000

• 3200

Jill swam 200 meters in 2 minutes 42 seconds. If each lap is 50 meters long, which time is her estimated time, in seconds, per lap?

• 32

• 40

• 48

• 60

• 1

• 2

• (2)(70)

A certain population of bacteria has an average growth rate of 0.02 bacteria per hour. The formula for the growth of the bacteria’s population is A = P0 (2.71828)0.02t , where P0 is the original population, and t is the time in hours. Which factor represents the rate at which the bacteria grows?

• 0.02t

• 2.71828

• 1,478

The sum of the angle measures in a triangle is 180°. Two angles of a triangle measure 20° and 50°. What is the measure of the third angle?

• 30°

• 70°

• 110°

• 160°

Which equation shows P = 2L + 2w when solved for w?

Bruce owns a business that produces widgets. He must bring in more in revenue than he pays out in costs in order to make a profit.

• It costs $10 in labor and materials to make each of his widgets.

• His rent each month for his factory is $4,000.

He sells each widget for $25. What is the smallest number of widgets Bruce needs to sell each month to make a profit?

• 160

• 260

• 267

• 400

Which equation shows ax – w = 3 solved for w?

• w = ax – 3

• w = ax + 3

• w = 3 – ax

• w = –3 – ax

• 17x = 88

• 11x = 88

• 4x = 44

• 2x = 44

Which equation shows 4n = 2(t – 3) solved for t?

• t = 2n - 3

• t = 2n + 3