Please please help me with this.
1 answer:
Answer:
B
Step-by-step explanation:
Since the inequality is < then the line separating the shaded and plain regions will be broken.
Thus graph A or B
Choose a test point in each shaded region and check validity of solution
From A choose (0, 2), then
2 < 0 + → 2 <
← False
From B choose (0, - 2), then
- 2 < 0 + → - 2 <
← True
Thus the graph representing the inequality is B
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You can simply expand each product and see whether it gives you a difference of squares.
•
That's actually
which is not a difference of squares.
</span>————<span>—
</span>•
which is not a difference of squares.
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•
That is a difference of two squares.
</span>————<span>—
</span>•
</span>which is not a difference of squares.
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Only the third option will result in a difference of squares.
Answer: (− 7x + 4) · (− 7x − 4).
I hope this helps. =)