Word Problem EOC Review

Word Problem EOC Review

Multiple Choice

Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Write an equation in slope-intercept form to represent the situation.

• y = 30x + 100

• y = 20x + 120

• y = 120x + 120

• y = 50x + 100

Multiple Choice

Belinda's car needed repairs. The mechanic charged him $140 for the parts and an additional $48 an hour for labor. Write an equation that models this situation.

• y = 140x +48

• y = -48x +140

• y = 48x +140

• y = 48x

Multiple Choice

A driving range charges $4 to rent a golf club plus $2.75 for every bucket of golf balls you hit. Write an equation that shows the total cost c of hitting b buckets of golf balls.

• c = 2.75b + 4

• c = 2.75b

• c = 4b- 2.75

• c = 2.75b - 4

Multiple Choice

James has a 70 inch giant peach. It doubles in size every week. Write an expression that would represent how big the peach is after x weeks.

• y=70(-2)^x

• y=(2)^x

• y=2(70)^x

• y=5(70)^x

Multiple Choice

The exponential function f(x) = 15,000(1.02)^x models the amount of money is a savings account over a period of time. What does the value 15,000 represent?

• the amount remaining in the account

• the time

• the original amount in the account

• the rate of growth

Multiple Choice

Your shiny new boat cost $7650.  The depreciation for your boat is 14% per year. Estimate the value of your vehicle in 3 years. What is the equation that models this problem?

• y= 7650(.14)³
• y= 7650(.86)³
• y= 7650(1+.86/1)^3*1

Multiple Choice

What is the initial (starting) height of an object following this path? h(t) = -16t² +20t + 6

• -16 feet

• 0 feet

• 20 feet

• 6 feet

Multiple Choice

A lizard is jumping across the water in search of food. The equation h = -12t² + 6t models the lizard's height in feet above the water t seconds after he jumps. How long after jumping is he back on the water?

• 0.1 seconds

• 0.25 seconds

• 0.50 seconds

• 0.75 seconds

• 1 second

Multiple Choice

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation

s(t) = –16t² + 64t + 80.

What will be the object's maximum height?

• 2 ft

• 80 ft

• 144 ft

• 64 ft

Multiple Choice

A copier machine can produce 500 copies per minute. This can be modeled by C(m) = 500m. The copier can only run for 4 hours (240 mins) before needing a break.

What does the DOMAIN represent?

• Copies made

• minutes on

• 500

• 4 hours

Multiple Choice

A copier machine can produce 500 copies per minute. This can be modeled by C(m) = 500m. The copier can only run for 4 hours (240 mins) before needing a break.

What is the smallest/largest the Domain can be?

• $0\le x\le240$

• $0\le x\le500$

• $4\le x\le500$

• $240\le x\le500$