Question

Megan purchased a new gadget for her technology hobby. She plans to sell it sometime in the future; however, its value depreciates monthly. The expression shows the depreciated sales value of the gadget:

2,020 − 22m

What does the coefficient of the expression represent?

The number of months Megan will wait to sell the gadget
The monthly depreciation value of the gadget
The amount of money Megan will get when she sells the gadget
The original value of the gadget
Answer
The equation the quantity x plus 33 end quantity over 4 equals 3 times x models the workload of a class project, where x is the number of hours each student must contribute. How many hours does each student work on the project?

2 hours
3 hours
7 hours
11 hours
Answer
Which equation is equivalent to the formula r = st?

t equals s over r
t = rs
s equals r over t
s = rt
Answer
A pilot was scheduled to depart at 4:00 p.m., but due to air traffic, her departure has been delayed by 16 minutes. Air traffic control approved a new flight plan that will allow her to arrive four times faster than she calculated in her original flight plan. Let x represent the time, in minutes, of her original flight. Create an equation that can be used to predict the number of minutes after 4:00 p.m. she will arrive at her destination.
Answer
A pilot was scheduled to depart at 4:00 p.m., but due to air traffic, her departure has been delayed by 16 minutes. Air traffic control approved a new flight plan that will allow her to arrive four times faster than she calculated in her original flight plan. Let x represent the time, in minutes, of her original flight. Create an equation that can be used to predict the number of minutes after 4:00 p.m. she will arrive at her destination.

y equals one fourth times x minus 16
y = 4x − 16
y equals one fourth times x plus 16
y = 4x + 16
Answer
Graph g(x) = −4x + 8 and identify its x-intercept.

(0, 2)
(0, 8)
(2, 0)
(8, 0)
Answer
What are the vertex and range of y = |2x + 4| + 5?

(0, 5); −∞ < y < ∞
(0, 5); 5 ≤ y < ∞
(−2, 5); −∞ < y < ∞
(−2, 5); 5 ≤ y < ∞
Answer

Choose the graph that correctly corresponds to the equation x = −4.

graph of a horizontal line through the point 0, 4
graph of a vertical line through the point 4, 0
graph a horizontal line through the point 0, negative 4
graph of a vertical line through the point negative 4, 0
Answer
A contractor can spend at most $350 a day on operating costs and payroll. It costs $75 each day to operate the forklift and $55 a day for each crew member. Write an inequality to represent the contractor's budget for the day.

75 + 55x ≥ 350
75 + 55x ≤ 350
75x + 55 ≥ 350
75x + 55 ≤ 350
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