Math Problem Statement

What do you think is going on? What would the volume look like for both prisms?

Solution

The question asks us to compute the volume of two rectangular prisms.

1. Left Rectangular Prism:

The dimensions are provided as:

  • Length = 4 ft
  • Width = 2 ft
  • Height = 6 ft

The formula for volume is: Volume=Length×Width×Height\text{Volume} = \text{Length} \times \text{Width} \times \text{Height}

Substitute the values: Volume=4×2×6=48cubic feet.\text{Volume} = 4 \times 2 \times 6 = 48 \, \text{cubic feet}.

2. Right Rectangular Prism:

The dimensions are provided in terms of xx:

  • Length = x2x^2
  • Width = xx
  • Height = 3x3x

Using the same volume formula: Volume=Length×Width×Height\text{Volume} = \text{Length} \times \text{Width} \times \text{Height}

Substitute the expressions: Volume=(x2)×x×(3x)=x2x3x=3x4cubic units.\text{Volume} = (x^2) \times x \times (3x) = x^2 \cdot x \cdot 3x = 3x^4 \, \text{cubic units}.

Final Results:

  • Left Prism: 48ft348 \, \text{ft}^3
  • Right Prism: 3x4units33x^4 \, \text{units}^3

Let me know if you’d like further explanation or related examples!


Follow-up Questions:

  1. What happens to the volume of the second prism when x=2x = 2?
  2. How do the units differ for the two prisms (feet vs. units)?
  3. How does the volume of the second prism change as xx increases?
  4. Can we create a general rule to compare these two prisms at specific values of xx?
  5. How would the formulas differ if one of the dimensions was halved?

Tip:

When dealing with algebraic expressions for volume, simplify step-by-step to avoid errors.

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Math Problem Analysis

Mathematical Concepts

Volume Calculation
Algebraic Expressions
Geometry

Formulas

Volume = Length × Width × Height

Theorems

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Suitable Grade Level

Grades 6-8