The region under y = 0.5x from x = 0 to x = 1 is rotated about the x-axis. Find the volume V of the solid (a cone).
Integrals worksheet with answers
1.Easy
y = 0.5x0 ≤ x ≤ 1
V =
2.Easy
Evaluate I = ∫−12 (−3x3 − 5x + 2) dx.
f(x) = −3x3 − 5x + 2[−1, 2]
I =
3.Medium
The region under y = 2x from x = 0 to x = 1 is rotated about the x-axis. Find the volume V of the solid (a cone).
y = 2x0 ≤ x ≤ 1
V =
4.Medium
The region under y = x from x = 0 to x = 2 is rotated about the x-axis. Find the volume V of the solid (a cone).
y = x0 ≤ x ≤ 2
V =
5.Hard
Evaluate I = ∫₀0.5 x²·eˣ dx.
∫₀0.5 x²eˣ dx
I =
6.Hard
The region between the line y = 5x and the parabola y = 3x² is rotated about the x-axis. Find the volume V of the solid.
y = 5xy = 3x²
V =
Answer key
- 1. V = 0.2618
- 2. I = −12.75
- 3. V = 4.189
- 4. V = 8.378
- 5. I = 0.0609
- 6. V = 48.48
Full step-by-step solutions: practise this topic on examproblems.com.