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Sagot :
Let's compute the missing values for the ordered pairs given the equation [tex]\( y = -5x - 4 \)[/tex].
### Ordered Pair [tex]\( (1, y) \)[/tex]
1. Identify the known values:
- For this ordered pair, [tex]\( x = 1 \)[/tex].
2. Substitute the known value into the equation:
[tex]\[ y = -5(1) - 4 \][/tex]
3. Perform the arithmetic operation:
[tex]\[ y = -5 - 4 \][/tex]
4. Simplify the result:
[tex]\[ y = -9 \][/tex]
Therefore, the complete ordered pair is [tex]\( (1, -9) \)[/tex].
### Ordered Pair [tex]\( (x, 1) \)[/tex]
1. Identify the known values:
- For this ordered pair, [tex]\( y = 1 \)[/tex].
2. Substitute the known value into the equation:
[tex]\[ 1 = -5x - 4 \][/tex]
3. Solve for [tex]\( x \)[/tex]:
- First, isolate the term with [tex]\( x \)[/tex] by adding 4 to both sides of the equation:
[tex]\[ 1 + 4 = -5x \][/tex]
[tex]\[ 5 = -5x \][/tex]
- Next, divide both sides by [tex]\(-5\)[/tex]:
[tex]\[ x = \frac{5}{-5} \][/tex]
[tex]\[ x = -1 \][/tex]
Therefore, the complete ordered pair is [tex]\((-1, 1)\)[/tex].
### Summary
- For the ordered pair [tex]\( (1, y) \)[/tex], we have [tex]\( y = -9 \)[/tex], resulting in the pair [tex]\( (1, -9) \)[/tex].
- For the ordered pair [tex]\( (x, 1) \)[/tex], we have [tex]\( x = -1 \)[/tex], resulting in the pair [tex]\((-1, 1) \)[/tex].
### Ordered Pair [tex]\( (1, y) \)[/tex]
1. Identify the known values:
- For this ordered pair, [tex]\( x = 1 \)[/tex].
2. Substitute the known value into the equation:
[tex]\[ y = -5(1) - 4 \][/tex]
3. Perform the arithmetic operation:
[tex]\[ y = -5 - 4 \][/tex]
4. Simplify the result:
[tex]\[ y = -9 \][/tex]
Therefore, the complete ordered pair is [tex]\( (1, -9) \)[/tex].
### Ordered Pair [tex]\( (x, 1) \)[/tex]
1. Identify the known values:
- For this ordered pair, [tex]\( y = 1 \)[/tex].
2. Substitute the known value into the equation:
[tex]\[ 1 = -5x - 4 \][/tex]
3. Solve for [tex]\( x \)[/tex]:
- First, isolate the term with [tex]\( x \)[/tex] by adding 4 to both sides of the equation:
[tex]\[ 1 + 4 = -5x \][/tex]
[tex]\[ 5 = -5x \][/tex]
- Next, divide both sides by [tex]\(-5\)[/tex]:
[tex]\[ x = \frac{5}{-5} \][/tex]
[tex]\[ x = -1 \][/tex]
Therefore, the complete ordered pair is [tex]\((-1, 1)\)[/tex].
### Summary
- For the ordered pair [tex]\( (1, y) \)[/tex], we have [tex]\( y = -9 \)[/tex], resulting in the pair [tex]\( (1, -9) \)[/tex].
- For the ordered pair [tex]\( (x, 1) \)[/tex], we have [tex]\( x = -1 \)[/tex], resulting in the pair [tex]\((-1, 1) \)[/tex].
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