Question

Complete the table and choose the solution for each given value of x y= -x2 +2 when x =-2 not understanding how to do it

Answer 1

is "-x2" supposed to mean x squared?

Answer 2

Yes

Answer 3

if it does then -2 times -2 equals positive 4 plus the 2 and the answer is 6

Answer 4

it took me a few times to understand the question but if you just read slowly you can understand it

Answer 5

But the answer choices are y = -(2)^ + 2=-2;(-2,-2) that's one of them

Answer 6

you have a y but no x, and what is the "-(2)" to the power of?

Answer 7

X =-2

Answer 8

if this is the same equation as your original then, y=-2^2+2 put in the y value and it's, -2= -2^2 + 2

Answer 9

solve and it does not work because the x has to equal out to the y value when you finish simplifying

Answer 10

if you simplified this then it goes to -2=6 not -2=-2
see what I mean?

Answer 11

do you have any other answer choices?

Answer 12

Yes I see

Answer 13

do you have any other answer choices?

Answer 14

Y=(-2^) +2=2;(-2,2)
Y = -(2)^+2=-2;(2,-2)

Answer 15

y= -(-2)^-2=2;(-2,-2)

Answer 16

you forgot to put the power 2

Answer 17

Oops

Answer 18

weel we are getting close but still it comes out to -2=2

Answer 19

oops *well

Answer 20

y= -(-2)^-2=2;(-2,-2) is that other negative sigh out side of th () supposed to be there?

Answer 21

Yes

Answer 22

Y = -(2)^+2=-2;(2,-2) now that I look back this could be the solution if the negative sign is supposed to be on the outside of the ()

Answer 23

if it is then it's -2=-()^2 +2: 2x2=4 and since the negative is on the outside the 4 become negative: add the -4 and positive 2 to get -2=-2

Answer 24

oops -2=-()^2 +2 this is supposed to look like -2=-(2)^2 +2 sorry

Answer 25

but yes -2=-(2)^2 +2 should be your anser
I believe it's this one: Y = -(2)^2+2=-2;(2,-2)

Answer 26

How about when x=-1

Answer 27

what do you mean?

Answer 28

is there an equation that comes with that or is it the same one we just did?

Answer 29

I have four more like the first one four more problems math is my worse subject

Answer 30

well I need the equation and y value to do them

Answer 31

what is the next question?

Answer 32

It says choose the solution for each given value of x. Y= -x2 +2
Then it says when x = -1
When x= 0
When x = 1
When x = 2

Answer 33

oh ok so we just switch the x value

Answer 34

Yes

Answer 35

so I guess we are solving for y?

Answer 36

I guess I don't know how to do it. Thanks for the help I really stink at math

Answer 37

Y= -x2 +2 plug in the known values and it looks like y= -1^2 + 2. Now 1 times 1 equals 1 so 1 + 2 equals 3 this means y=3

Answer 38

you keep forgetting the arrow for -x^2

Answer 39

Oops sorry

Answer 40

or did you copy and paste the question like that?

Answer 41

No I forgot it

Answer 42

oh okay, anything else, diod you do x=0?

Answer 43

*did sorry

Answer 44

Yes

Answer 45

ok any other questions?

Answer 46

No

Answer 47

ok see ya

Answer 48

Thanks