Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Connect with professionals on our platform to receive accurate answers to your questions quickly and efficiently. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

A triangle is drawn on the coordinate plane. It is translated 4 units right and 3 units down. Which rule describes the translation?

A. [tex]\((x, y) \rightarrow (x+3, y-4)\)[/tex]

B. [tex]\((x, y) \rightarrow (x+3, y+4)\)[/tex]

C. [tex]\((x, y) \rightarrow (x+4, y-3)\)[/tex]

D. [tex]\((x, y) \rightarrow (x+4, y+3)\)[/tex]

Sagot :

To describe the translation of a triangle on a coordinate plane where it is moved 4 units to the right and 3 units down, we need to determine how each coordinate point [tex]\((x, y)\)[/tex] changes as a result of the translation.

First, let's understand the effect of moving 4 units to the right. When a point on the coordinate plane is moved to the right, the [tex]\(x\)[/tex]-coordinate increases by the number of units moved. Thus, if we move a point [tex]\((x, y)\)[/tex] 4 units to the right, the new [tex]\(x\)[/tex]-coordinate will be [tex]\(x + 4\)[/tex].

Next, let's understand the effect of moving 3 units down. When a point on the coordinate plane is moved down, the [tex]\(y\)[/tex]-coordinate decreases by the number of units moved. Thus, if we move a point [tex]\((x, y)\)[/tex] 3 units down, the new [tex]\(y\)[/tex]-coordinate will be [tex]\(y - 3\)[/tex].

Combining these two transformations, the rule for the translation of a point [tex]\((x, y)\)[/tex] after moving it 4 units to the right and 3 units down can be written as:
[tex]\[ (x, y) \rightarrow (x + 4, y - 3) \][/tex]

Now let's compare this rule with the given options:

1. [tex]\((x, y) \rightarrow (x + 3, y - 4)\)[/tex] — This rule suggests increasing the [tex]\(x\)[/tex]-coordinate by 3 and decreasing the [tex]\(y\)[/tex]-coordinate by 4, which does not match our translation.
2. [tex]\((x, y) \rightarrow (x + 3, y + 4)\)[/tex] — This rule suggests increasing the [tex]\(x\)[/tex]-coordinate by 3 and increasing the [tex]\(y\)[/tex]-coordinate by 4, which does not match our translation.
3. [tex]\((x, y) \rightarrow (x + 4, y - 3)\)[/tex] — This rule suggests increasing the [tex]\(x\)[/tex]-coordinate by 4 and decreasing the [tex]\(y\)[/tex]-coordinate by 3, which accurately describes our translation.
4. [tex]\((x, y) \rightarrow (x + 4, y + 3)\)[/tex] — This rule suggests increasing the [tex]\(x\)[/tex]-coordinate by 4 and increasing the [tex]\(y\)[/tex]-coordinate by 3, which does not match our translation.

Therefore, the rule that correctly describes the translation of the triangle is:
[tex]\[ (x, y) \rightarrow (x + 4, y - 3) \][/tex]

So the correct answer is:
[tex]\[ \boxed{3} \][/tex]