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shusha [124]
3 years ago
7

What are the values of the expression?? (-10)2 and -102.

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0
Because of the parenthesis the equation has changed
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Which two values of X are roots of the polynomial below 4x^2-6x+1
PtichkaEL [24]

4x^2-6x+1=0\\\\a=4,\ b=-6,\ c=1\\\\\Delta=b^2-4ac\\\\\Delta=(-6)^2-4(4)(1)=36-16=20\\\\\sqrt\Delta=\sqrt{20}=\sqrt{4\cdot5}=\sqrt4\cdot\sqrt5=2\sqrt5\\\\x_1=\dfrac{-b-\sqrt\Delta}{2a},\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-(-6)-2\sqrt5}{2\cdot4}=\dfrac{3-\sqrt5}{4}\\\\x_2=\dfrac{-(-6)+2\sqrt5}{2\cdot4}=\dfrac{3+\sqrt5}{4}

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Fill in the blanks (15 points)
Anastaziya [24]

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Anettt [7]
So to fine slope you would use the formula down below:

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2 years ago
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kozerog [31]

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Answer:

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Jeff: 15=1/2

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Lisa:  10=1/3

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