II. Evaluate each expression if a = 2, b = 1, C=-1, d = -2. Show your solution.E...

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November 2022 2 0 Report

II. Evaluate each expression if a = 2, b = 1, C=-1, d = -2. Show your solution.
Example 1. a + b + C + d
= 2 + 1 + (-1) + (-2)
=
Example 2. ab + c
= 2 (1) + (-1)
= 2 + (-1)
1
3 + (-1) + (-2)
2
+ (-2)
=
0
6. За + b
7. 5 (a + b)
8.
9. 2 (ad) + 1
10. 4 (c+d)

Reign022

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$\color{black}\large\mathbb{ANSWER}$

6) $\small\boxed{\sf 7 }$

7) $\small\boxed{\sf 11 }$

8) $\small\boxed{\sf 4 }$

9) $\small\boxed{\sf -3 }$

10) $\small\boxed{\sf -6 }$

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Solution:

3a + b

3(2) + (1)
6 + (1)
$\blue{\small{\tt{ 7 }}}$

____________

5 (a + b)

5 (2) + (1)
10 + (1)
$\blue{\small{\tt{ 11 }}}$

____________

$\tt \: \frac{a}{b} \: + \: \frac{d}{c}$

$\tt \: \frac{(2)}{(1)} + \frac{( - 2)}{( - 1)}$
$\tt \: 2 \: + \: \frac{( - 2)}{( - 1)}$
$\tt \: 2 \: + \: \frac{(2)}{(1)}$
$\tt \: 2 \: + \: 2$
$\blue{\small{\tt{ 4 }}}$

____________

2 (ad) + 1

2 (1)(-2) + 1
2 (-2) + 1
-4 + 1
$\blue{\small{\tt{ -3 }}}$

____________

4 (c + d)

4 (-1) + (-2)
-4 + (-2)
$\blue{\small{\tt{-6 }}}$

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#CarryOnLearning

૮₍´˶• . • ⑅ ₎ა $\small{\boxed{{\tt\blue{Have \: a \: great \: day! \:シ︎}}}}$

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Answer:

$6.2) + = 39 - 2) \\ 7.5 + 8y69 - = 5 \\ 8.5 + - 599(78y = > 59 {93 \: }^{2} \\ 9. = 6 + \geqslant 693619 + \times 6 = \\ 10.69 + .69136 \: |2| 3 \: - 3 + 2(y9 + 6)$

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