Question

whose product is+15 and whose sum is -8???

Answer 1

Ok, so when you multiply two negatives it equals a positive, right?

Answer 2

yeh

Answer 3

So, then how do you get 15 when multiplying 2 negative numbers?

Answer 4

no that is the question

Answer 5

Okay, how do you get 15 when multiplying 2 positive numbers?

Answer 6

5*3

Answer 7

So, since a negative times a negative is a positive, what are the numbers now?

Answer 8

thank you

Answer 9

Your welcome! ☺

Answer 10

And so, -5x-3= 15 and -3+-5= -8 !!

Answer 11

Is that all you need help with?

Answer 12

whose product is -6 and whose sum is +1

Answer 13

3*2

Answer 14

thanks you done it again

Answer 15

okay, so if you want those 2 numbers to have a sum of 1, which number do you turn negative?

Answer 16

2

Answer 17

good!

Answer 18

so -2x3 = -6 and -2+3 = 1

Answer 19

whose product is -12 and whose sum is -4

Answer 20

How can you get 12 when multiplying 2 positive numbers?

Answer 21

3*4

Answer 22

well, that and 2x6

Answer 23

thanks

Answer 24

So, which number do you turn negative to get a sum of -4?

Answer 25

-6

Answer 26

Good!

Answer 27

whose product is -12 and whose sum is -4

Answer 28

sorry wrong one

Answer 29

whose product is -16 and whose sum is 0

Answer 30

How do you get 16 when multiplying 2 positive numbers (that are the same) ?

Answer 31

4

Answer 32

thank you

Answer 33

Now you need to make 1 negative, and if you add -4 +4 what do you get?

Answer 34

0

Answer 35

what about 4-4

Answer 36

0

Answer 37

okay thank you but it says sum doesnt that matter

Answer 38

Sum is addition!

Answer 39

So it doesn't matter, but adding a negative is like subtracting a positive!

Answer 40

doesnt it not count as minus (because i heard my teacher say something like that)

Answer 41

okay

Answer 42

okay next q

Answer 43

What grade are you learning this in?

Answer 44

9

Answer 45

in the uk

Answer 46

Okay

Answer 47

What is that equivalent to in the us?

Answer 48

+5x +6