WorksheetsUnit 4 (Lesson 1 - 3) Review Warmup Assignment
Total questions: 16
Worksheet time: 1hrs 11mins
x² − 4
(2x2 + 5x - 7) + ( 3 - 4x2 + 6x)
(3x4 - 4 - 5x2) - (1 - x2 + 2x3)
Find the product:
(3x + 2)(2x + 4)
Match the following with their simplified answer.
i9
i
i18
-1
i39
-i
i20
1
(3 + 2i) + (4i + 6)
(4 + 7i) - (3 + 2i)
2i(4 - 3i)
Find the conjugate of:
7i + 5
Divide:
512−54i
−108i−54
−54+512i
512+54i
The height of an object thrown into the air can be modeled by the formula y=−16x2+70x+95 , where y is in feet after x seconds.
What is the initial height of the object?
70 feet
95 feet
149 feet
-16 feet
A ball is thrown into the air with an upward velocity. Its height, h, after t seconds is given by the function below.
h=−16t2+64t+960
How many seconds did it take for the ball to reach its maximum height?
10 seconds
64 seconds
960 seconds
2 seconds
h=−16t2+64t+960
A ball is thrown into the air with an upward velocity of 64 ft/s. Its height, h, after t seconds is given by the function above.
When did the ball hit the ground?
10 seconds
2 seconds
5 seconds
7 seconds
A dolphin jumps from the water at at initial velocity of 16 feet per second. The equation h = -16t2 + 80t models the dolphin's height at any given time, t. What is the maximum height the dolphin jumps?
1 foot
5 feet
96 feet
100 feet
What is the vertex?
(2,3)
(3,2)
(3,0)
(0,2)
