2 years ago

I NEED HELP ASAP Which equation is equivalent to: −10r−6=115

Mathematics

2 answers:

otez555 [7]2 years ago

6 0

Answer:

the correct answer is B

Anna [14]2 years ago

4 0

B is the right answer to this question because you have to change the operator

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Answer:

x = -1 +/-2i

Step-by-step explanation:

Write the equation in standard form to find the roots, also known as the solutions, zeros, or x-intercepts, of the quadratic.

x² + 2x + 5 = 0

Use the quadratic formula by substituting a= 1, b = 2 and c = 5.

$x = \frac{-2 +/- \sqrt{(-2)^2 - 4(1)(5)} }{2(1)} = \frac{-2 +/-\sqrt{4 -20 } }{2} = \frac{-2 +/-\sqrt{-16 } }{2} = \frac{-2 +/-4i }{2} = -1 +/-2i$

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1. 2x^2-x-15=0
A = 2
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2. 10^2-2x=0
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Remember the equations should look like Ax^2+Bx+C=0 (in this order!!)

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