If the square of a positive number is increased by 4 times the number, the sum is 117.
1 answer:
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So, Option B is correct.
Step-by-step explanation:
We need to solve the inequality:
Solving:
The absolute rule says that if |u|<a and a>0, then -a<u<a
So, applying absolute rule:
We can write it as:
Combining the intervals:
So, Option B is correct.
Keywords: Solving inequalities
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You are looking for the shaded region that would be contained in both of the inequalities.
You have:
If you graph an shade the correct half-plane for those equations, you will see there is a triangular region on the left side of the first quadrant.
You have:
If you graph an shade the correct half-plane for those equations, you will see there is a triangular region on the left side of the first quadrant.