EOC 3

The expression 6x² – 4x + 5 can be used to calculate a company’s revenue from selling x items. The expression 2x² – 10 can be used to calculate the company’s cost to make x items. Which expression represents the company’s profit from selling x items?
(Note: Profit = Revenue – Cost)

• 8x² – 4x – 5
• 4x² – 4x + 15
• 4x² – 4x – 5
• 4x² + 15

Paula kicks a ball off the ground into the air. The height, in feet, of the ball t seconds after it is kicked is modeled by the function h(t) = -16t² + 80t + 96. How long will it take for the ball to hit the ground?

• 1 second
• 3 seconds
• 5 seconds
• 6 seconds

Which is an equation of the line that passes through the point (-3, 4) and is perpendicular to the graph of y = ⅔x - 6?

• y = ⅔x + 10
• y = ⅔x + 6
• y = ⁻³/₂x - ½
• y =  ⁻³/₂x + ½

The endpoints of a line segment are located at (1, 9) and (7, 1). What is the midpoint of the line segment?

• (3, 4)
• (4, 3)
• (4, 5)
• (5, 4)

Sam has a rectangular garden. When placed on a coordinate plane, it has vertices at (0, -2), (5, -4), (9, 6), and (4, 8). What is the area of Sam’s garden?

• 16 square feet
• 29 square feet
• 58 square feet
• 116 square feet