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Plot -1 on the number line.

Use the interactive number line to find each sum to complete the table.

| a | b | a + b |
|:----:|:----:|:-----:|
| 1 | 2 | 3 |
| -1 | -2 | R |
| -4 | 1 | S |
| -6 | -3 | T |

R = __________

S = __________

Sagot :

GinnyAnswer
Let's break this problem down step by step.

1. Plot -1 on the number line:
- Starting from 0, move one unit to the left. This position corresponds to -1.

2. Fill in the table for each pair (a, b) and calculate their sum [tex]\(a + b\)[/tex]:

- For [tex]\(a = 1\)[/tex] and [tex]\(b = 2\)[/tex]:
[tex]\[ a + b = 1 + 2 = 3 \][/tex]
Thus, the sum is 3.

- For [tex]\(a = -1\)[/tex] and [tex]\(b = -2\)[/tex]:
[tex]\[ a + b = -1 + (-2) = -1 - 2 = -3 \][/tex]
Thus, [tex]\( R = -3 \)[/tex].

- For [tex]\(a = -4\)[/tex] and [tex]\(b = 1\)[/tex]:
[tex]\[ a + b = -4 + 1 = -3 \][/tex]
Thus, [tex]\( S = -3 \)[/tex].

- For [tex]\(a = -6\)[/tex] and [tex]\(b = -3\)[/tex]:
[tex]\[ a + b = -6 + (-3) = -6 - 3 = -9 \][/tex]
Thus, [tex]\( T = -9 \)[/tex].

3. Complete the table:
[tex]\[ \begin{array}{|c|c|c|} \hline a & b & a+b \\ \hline 1 & 2 & 3 \\ \hline -1 & -2 & R=-3 \\ \hline -4 & 1 & S=-3 \\ \hline -6 & -3 & T=-9 \\ \hline \end{array} \][/tex]

4. Final answers:
[tex]\[ R = -3 \][/tex]
[tex]\[ S = -3 \][/tex]
[tex]\[ T = -9 \][/tex]
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