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kondor19780726 [428]
3 years ago
11

Evaluate each expression for g = -7 and h = 3 and match it to its value.

Mathematics
2 answers:
Arturiano [62]3 years ago
4 0

Answer:

The values of given expressions are:

1. gh = -21

2. g^2 - h = 46

3. g + h^2 = 2

4. g + h  = -4

5. h - g  = 10

6. g - h = -10

Step-by-step explanation:

Given values of g and h are:

g = -7

h = 3

<u>1. gh</u>

The two numbers are being multiplied

Putting the values

gh = (-7)(3) = -21

<u>2. g^2-h</u>

Putting the values

=(-7)^2-3\\=49-3\\=46

<u>3. g+h^2</u>

Putting the values

= -7 + (3)^2\\=-7+9\\=2

<u>4. g+h</u>

Putting the values

= -7+3\\=-4

<u>5. h-g</u>

Putting the values

= 3 - (-7)\\=3+7\\=10

<u>6. g-h</u>

Putting values

=-7-3\\=-10

Hence,

The values of given expressions are:

1. gh = -21

2. g^2 - h = 46

3. g + h^2 = 2

4. g + h  = -4

5. h - g  = 10

6. g - h = -10

joja [24]3 years ago
3 0

Answer:

1) - 21

2) 46

3) 2

4) -4

5) 10

6) -10

Step-by-step explanation:

  • g = -7
  • h = 3

1)gh =  - 7(3) \\  \:  \:   \:  \:  \:  \: =  - 21

2){g}^{2}  - h = ( - 7 {)}^{2}  - 3 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 49 - 3 \\   \:  \:  \: = 46

3)g +  {h}^{2}  =  - 7 +  {3}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   =  - 7 + 9 \\   \:  \:  \:  \: = 2

4)g + h =  - 7 + 3 \\ \:  \:  \:  \:  \:  \:  \:    =  - 4

5)h - g =  3 - ( - 7) \\   \:  \: = 10

6)g - h =  - 7 - 3 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  - 10

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