Question

can someone check this for me?

1. Evaluate: −7 − 8 (4 points)
–1
–15
1
15
2. Evaluate: −6 − (−4) (4 points)
–10
–2
24
2
3. Evaluate: −10 + 16 (4 points)
–4
6
26
–6
4. Evaluate: 3^2 + (6 − 2) · 4 − 6/3 (4 points)
20
23
50
26

Answer 1

1.B
2.D
3.B
4.C

Answer 2

# 1 is correct since -7 - 8 = -15

Answer 3

#2 is not though

Answer 4

-6 - (-4)

-6 + 4

-2

so -6 - (-4) = -2

Answer 5

Thank you :)

Answer 6

# 3 is correct since −10 + 16 = 16 - 10 = 6

Answer 7

but #4 is not

3^2 + (6 − 2) · 4 − 6/3

3^2 + (4) · 4 − 6/3

9 + (4) · 4 − 6/3

9 + 16 − 6/3

9 + 16 − 2

25 − 2

23

So 3^2 + (6 − 2) · 4 − 6/3 = 23

Answer 8

Thank you. Can you check 3 more?

Answer 9

5. Evaluate: 3 · 4 − 8 ÷ 2 (4 points)
2
8
3
0
6. Evaluate: 4 − 28 ÷ 7 + 3^2 (4 points)
–9
9
5.6
6
7. Evaluate: ([30 + 6] − 3^2) ÷ 9 · 2 (4 points)
6.6
6
1.5
34

Answer 10

which answers did you get for these

Answer 11

5.B
6.C.
7.B

Answer 12

# 5 is correct

Answer 13

# 6 is not

Answer 14

4 − 28 ÷ 7 + 3^2

4 − 28 ÷ 7 + 9

4 − 4 + 9

0 + 9

9

So 4 − 28 ÷ 7 + 3^2 = 9

Answer 15

# 7 is correct

Answer 16

Thank you so much :) I will be posting more math questions I have another open math question right now if you want to come help me : )

Answer 17

alright, I'll check it out

Answer 18

Thanks again :)

Answer 19

yw