can x<=9 be expressed as x<=3 or x<=-3
Please explain with reason
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Answered by
1
Answer:
in the question it is said that x square is less than equals to 9........ and if you find the square root of 9 we will get to answers that is + 3 and - 3...... so so we get to answer that is X is less then and equal to minus 3 and X is less than and equal to plus 3
Answered by
0
Answer:
- X <= 9
Step-by-step explanation:
X <= 3 means it can be written as
2 raise to the power 3 is 9 and also
X <= - 3 can be written as
2 raise to the power of - 3 is also 9
That means 3 Square and - 3 Square is 9
So X <= 9 can be written as X <= 3 or X <= - 3
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