Select all values of x that make the inequality true -x+6> 10 true .
2 answers:
Answer:
<em>C. -4.01</em>
<em>H. -7</em>
Step-by-step explanation:
<u>Solving inequalities:</u>
We have a set of numbers to verify which ones of them make the below inequality true
Rearrange
Operating
Flipping
The set of solutions contains every number less than -4
There are only two numbers less than -4 in the set of options:
C. -4.01
H. -7
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You basically have to use the quadratic formula to solve this since there are no factors of - 9 which add to give 6.
Then you use
To find which numbers will go into what place inside the quadratic equation.
So a = 1 (because x is alone)
b = 6
c = -9
Then you solve it. I've included a picture of how I did it and I got the answer x=-3+-3sqrt2
Then you use
To find which numbers will go into what place inside the quadratic equation.
So a = 1 (because x is alone)
b = 6
c = -9
Then you solve it. I've included a picture of how I did it and I got the answer x=-3+-3sqrt2