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Scorpion4ik [409]
4 years ago
14

What must be true for an expression to be a difference of two squares

Mathematics
1 answer:
ozzi4 years ago
5 0
I think it must have a power like squared or cubed also I think it must have a subtraction sign...
Some examples of difference of two squares:
9x^2 - 1
Which would be = (3x+1) (3x-1)
4n^2 - 49
Which would be = (2n-7) (2n+7)
249r^2 - 150
Which would be = 6(7r+5) (7r-5)
150k^2 - 216
Which would be = 6(5k+6) (5k-6)
Notice that each bracket for each answer, one bracket has a + sign and another has a - sign.

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What is the volume of a cylinder with a diameter of 12 m and a height of<br> 27 m. Remember, d=2r.
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3 0
3 years ago
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Solve the following equation for B<br> y=mx+b
iVinArrow [24]
The answer is:
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b = y − mx .
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Explanation:
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→ y = mx + b ; Subtract "mx" from BOTH sides of the equation; to isolate "b" one side of the equation; and solve for "b":
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y = mx + b → y − mx = mx + b − mx ;
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                  → y − mx = b ; ↔ b = y − mx
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                  → b = y − mx .
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4 years ago
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Isaiah is a college student who rents an apartment that costs $755 a month. Each month, Isaiah receives $250 from his parents an
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