Question

Graph the solution to the following inequality on the number line.

(x^2)-2x<=8

Answer 1

\[x ^{2}-2x \le8\]

Answer 2

Do you know the quadratic formula?
You can use that to find the solutions

Answer 3

quadratic ok working..

Answer 4

x^2 -2x - 8 <= 0

Answer 5

ok... so you have

x^2 - 2x - 8 <= 0

can you factor it...?

Answer 6

yeah you can factor this as well

Answer 7

yea i think i should factor it

Answer 8

and then test

Answer 9

i remember thanks team

Answer 10

or you can use complete the square

\[x^2 -2x + c \le 8\]

may be an easier way to get a solution...

Answer 11

Just to clarify, this is what you would use to graph it from.

(x-4)(x+2) <= 0
-2 <= x <= 4

Answer 12

Since it has the or equal to sign it's going to be a closed circle

Answer 13

there you go... no need to test when you've been given the solution

Answer 14

sweet thats what i got i forgot i had to set to zero and find my zeros

Answer 15

Then just plot it on a number line

Answer 16

roger that