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3 years ago

13

What is the solution to this system of equations?

1 answer:

faltersainse [42]3 years ago

5 0

(0,8) infinitely many solutions

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3 years ago

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Paraphin [41]

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Step-by-step explanation:

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iren2701 [21]

Answer:

x= 32°

Step-by-step explanation:

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2 years ago

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Solving Quadratic Equations posttest <br><br> A.<br> B.<br> C.<br> D.

beks73 [17]

Answer:

D. $x = 3 \pm \sqrt{10}$

Step-by-step explanation:

$x^2 - 6x - 1 = 0$

$x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

a = 1; b = -6; c = -1

$x = \dfrac{-(-6) \pm \sqrt{(-6)^2 - 4(1)(-1)}}{2(1)}$

$x = \dfrac{6 \pm \sqrt{36 + 4}}{2}$

$x = \dfrac{6 \pm \sqrt{40}}{2}$

$x = \dfrac{6 \pm \sqrt{4 \times 10}}{2}$

$x = \dfrac{6 \pm 2 \sqrt{10}}{2}$

$x = 3 \pm \sqrt{10}$

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3 years ago