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maks197457 [2]
3 years ago
12

Solve each system 7) 8x-y=3 y=-8x - 3 Please help

Mathematics
2 answers:
fenix001 [56]3 years ago
7 0

Answer:

i cant answer this because of my school computer but its simple

Step-by-step explanation:

liq [111]3 years ago
5 0

Answer: x & y

              0 & -3

              1  & 5

slope : 8

y intercept : -3

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Find a solution to the following system of equations. –2x + 5y = 8 2x + 2y = 6
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-2x + 5y = 8
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----------------add
7y = 14
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RSB [31]

Answer:

Step-by-step explanation:

3x² - 3x + 7 = 0

a = 3 ; b = -3 and c = 7

D = b² - 4ac = (-3)² - 4*3*7

D = 9 - 84 = - 75

D = 75i²

√D = √75i² = \sqrt{5*5*3 * i * i}= 5i\sqrt{3}

x = \dfrac{-b+\sqrt{D}}{2a}  \ ; \  x=\dfrac{-b-\sqrt{D}}{2a}\\\\ \\x=\dfrac{3+5i\sqrt{3}}{6} ; \ ; x = \dfrac{3-5i\sqrt{3}}{6}\\\\\\x =\dfrac{3}{6}+\dfrac{5i\sqrt{3}}{6} ; \ ; x=\dfrac{3}{6}-\dfrac{5i\sqrt{3}}{6}\\\\\\Solution:\\\\x=\dfrac{1}{2}+\dfrac{5\sqrt{3}}{6}i ; \ ; x=\dfrac{1}{2}-\dfrac{5\sqrt{3}}{6}i

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2 years ago
Find the points of intersection of the following function graphs: y=10x−8 and y=−3x+5
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(x,y) = (1,2)

Step-by-step explanation:

I used a graphing calculator and put both equations in to find the intersection.

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