Gr 10 Math Ch 10: The effect of multiplying a dimension by a factor of k
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Questions and Answers

What happens to the volume of a cylinder when both the radius and height are multiplied by a factor of k?

  • The volume is multiplied by $k^3$ (correct)
  • The volume remains the same
  • The volume is multiplied by $k^2$
  • The volume is multiplied by $k^4$

If the height of a cylinder is increased by a factor of k, how is the surface area affected?

  • The surface area is multiplied by $k$ (correct)
  • The surface area is multiplied by $k^3$
  • The surface area is multiplied by $k^2$
  • The surface area remains unchanged

When the radius of a cylinder is multiplied by a factor of k, how does the surface area change?

  • The surface area decreases by a factor of $k^2$
  • The surface area increases by a factor of $k$
  • The surface area remains the same
  • The surface area increases by a factor of $k^2$ (correct)

If the radius of a cylinder is doubled, how does the volume change?

<p>The volume increases by a factor of 4 (B)</p> Signup and view all the answers

What is the relationship between the change in radius and the change in volume for a cylinder?

<p>The volume changes by the square of the factor of the radius change (D)</p> Signup and view all the answers

When both the radius and height of a cylinder are multiplied by k, how does the surface area change in comparison to the volume?

<p>Surface area increases by a factor of $k^2$, volume increases by a factor of $k^3$ (D)</p> Signup and view all the answers

What is the effect on the volume of a rectangular prism when one dimension is multiplied by a factor of 5?

<p>The volume is multiplied by 5. (A)</p> Signup and view all the answers

How is the surface area affected when two dimensions of a rectangular prism are multiplied by a factor of 5?

<p>The surface area is multiplied by 25. (B)</p> Signup and view all the answers

What is the formula for the volume of a rectangular prism when all dimensions are multiplied by a factor of k?

<p>$V_k = k^3 V$ (A)</p> Signup and view all the answers

If the original surface area of a rectangular prism is A, what will the new surface area be when all dimensions are multiplied by k?

<p>$k^2 A$ (B)</p> Signup and view all the answers

Which of the following statements correctly describes the change in volume and surface area when one dimension is multiplied by k?

<p>Volume is multiplied by k, surface area by k^2. (B)</p> Signup and view all the answers

What volume change occurs when all three dimensions of a rectangular prism are multiplied by a factor of 5?

<p>Volume increases to 125V. (C)</p> Signup and view all the answers

What happens to the surface area when both dimensions of a rectangular prism are multiplied by 2?

<p>The surface area is multiplied by 4. (D)</p> Signup and view all the answers

Which of these correctly describes how the volume and surface area change when all dimensions are multiplied by a factor of k?

<p>Volume changes by $k^3$, surface area by $k^2$. (A)</p> Signup and view all the answers

What is the effect on the volume of a cylinder when the radius is multiplied by 3?

<p>Volume is multiplied by 9 (A)</p> Signup and view all the answers

How does the surface area of a cylinder change when the height is doubled?

<p>Surface area is doubled (A)</p> Signup and view all the answers

If the radius of a cylinder is tripled, what is the new surface area in relation to the original surface area?

<p>Surface area is 9 times the original (B)</p> Signup and view all the answers

When the radius of a cylinder is multiplied by k, how is the effect on volume described?

<p>Volume is increased by a factor of k² (B)</p> Signup and view all the answers

What happens to the volume of a cylinder when both the radius and height are multiplied by k?

<p>Volume is multiplied by k³ (B)</p> Signup and view all the answers

How does the surface area change if only the height of a cylinder is multiplied by k?

<p>Surface area increases by a factor of k (C)</p> Signup and view all the answers

What happens to the volume of a rectangular prism when its height is multiplied by a factor of 5?

<p>It increases by a factor of 5. (C)</p> Signup and view all the answers

How is the surface area affected when all three dimensions of a rectangular prism are multiplied by a factor of k?

<p>It increases by a factor of k^2. (D)</p> Signup and view all the answers

If the original volume of a rectangular prism is V, what is the new volume after multiplying all dimensions by 3?

<p>27V (D)</p> Signup and view all the answers

When two dimensions of a rectangular prism are multiplied by a factor of k, what is the new volume in terms of the original volume V?

<p>k^2V (A)</p> Signup and view all the answers

What is the relationship between the factor applied to dimensions and the resulting volume of a rectangular prism?

<p>The volume changes by the cube of the factor applied. (C)</p> Signup and view all the answers

If one dimension of a rectangular prism is doubled and the second dimension remains unchanged, how does the surface area change?

<p>It is doubled. (C)</p> Signup and view all the answers

What effect does multiplying all dimensions of a cylinder by a factor of k have on its volume?

<p>Volume increases by a factor of k^3. (A)</p> Signup and view all the answers

Which statement correctly describes the change in volume when only the height of a prism is multiplied by a factor of k?

<p>The volume increases by a factor of k. (B)</p> Signup and view all the answers

What happens to the volume of a cylinder when the height is multiplied by a factor of k?

<p>It is multiplied by k (A)</p> Signup and view all the answers

When the radius of a cylinder is increased by a factor of k, how much does the surface area increase?

<p>Increases by a factor of k^2 (D)</p> Signup and view all the answers

If both the radius and height of a cylinder are multiplied by k, how does the volume change?

<p>It is multiplied by k^3 (C)</p> Signup and view all the answers

What is the relationship between the change in radius and the surface area of a cylinder?

<p>Surface area increases by a factor of k^2 (C)</p> Signup and view all the answers

When the height of a cylinder is multiplied by k and the radius remains unchanged, how does the surface area change?

<p>It is multiplied by k (D)</p> Signup and view all the answers

How does the volume change when both the height and radius of a cylinder are multiplied by k?

<p>It is multiplied by k^3 (C)</p> Signup and view all the answers

What is the volume of a rectangular prism when all dimensions are multiplied by a factor of 3 if the original volume is V?

<p>27V (C)</p> Signup and view all the answers

How is the new surface area determined when one dimension of a prism is multiplied by 2?

<p>The surface area is multiplied by 4. (A)</p> Signup and view all the answers

What happens to the surface area of a rectangular prism if two dimensions are multiplied by 3 and one dimension remains unchanged?

<p>The surface area is multiplied by 12. (D)</p> Signup and view all the answers

If the surface area of a rectangular prism is represented as A, what will it be when one dimension is multiplied by k?

<p>k^2A (C)</p> Signup and view all the answers

What will be the new volume of a rectangular prism after each dimension is increased by a factor of 4?

<p>64V (D)</p> Signup and view all the answers

When both height and breadth of a prism are multiplied by k while length remains unchanged, what is the relationship of the new volume V_k to the original volume V?

<p>V_k = k^2V (C)</p> Signup and view all the answers

If the volume of a cylinder is expressed as V and the height is increased by a factor of 2 while the radius is unchanged, what is the new volume in relation to the original volume?

<p>2V (C)</p> Signup and view all the answers

What happens to the surface area of a rectangular prism if all dimensions are multiplied by a factor of k?

<p>It is multiplied by k^2. (A)</p> Signup and view all the answers

What happens to the volume of a cylinder when the height is multiplied by a factor of k?

<p>The volume is multiplied by k (A)</p> Signup and view all the answers

If the radius of a cylinder is increased by a factor of k, how does the surface area change?

<p>The surface area is multiplied by k^2 (C)</p> Signup and view all the answers

When both the radius and height of a cylinder are multiplied by k, how is the change in volume described?

<p>The volume is multiplied by k^3 (D)</p> Signup and view all the answers

What effect does multiplying only the height of a cylinder by k have on its surface area?

<p>The surface area is multiplied by k (D)</p> Signup and view all the answers

If the original surface area of a cylinder is A, what will the new surface area be when the radius is doubled and the height remains unchanged?

<p>4A (B)</p> Signup and view all the answers

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