Evaluate I = ∫−10 (−x2 − 3x − 3) dx.
Integrals worksheet with answers
1.Easy
f(x) = −x2 − 3x − 3[−1, 0]
I =
2.Easy
The region under y = 0.5x from x = 0 to x = 2 is rotated about the x-axis. Find the volume V of the solid (a cone).
y = 0.5x0 ≤ x ≤ 2
V =
3.Medium
Evaluate I = ∫03 ex dx.
f(x) = ex[0, 3]
I =
4.Medium
Evaluate I = ∫02 e−0.5x dx.
f(x) = e−0.5x[0, 2]
I =
5.Hard
Find the area A of the region between the parabola y = 4 − x² and the x-axis.
y = 4 − x²
A =
6.Hard
The region between the line y = 2x and the parabola y = 2x² is rotated about the x-axis. Find the volume V of the solid.
y = 2xy = 2x²
V =
Answer key
- 1. I = −1.833
- 2. V = 2.094
- 3. I = 19.09
- 4. I = 1.264
- 5. A = 10.67
- 6. V = 1.676
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