3 years ago

Select the two values of x that are roots or this equation x^2-5x+2=0

Mathematics

1 answer:

salantis [7]3 years ago

5 0

Answer:

(5/2, +-(square root 17)/ 2)

Step-by-step explanation:

1. find a,b, and c of the quadratic

2. use the quadratic formula to solve

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olga2289 [7]

Answer:

a) 2.5 pounds of candy

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Step-by-step explanation:

1 = 5

1/2 = y or 0.5 = y

$\frac{0.5}{1} :\frac{y}{5}$

y × 1 = 0.5 × 5

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Tcecarenko [31]

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Step-by-step explanation:

44 3/4 : 11/4 =?

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2 years ago

Read 2 more answers

What is parallel to 2x-y=1 and contains (4, -6)? Please show your work!

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$k:\ y=m_1x+b_1\\\\l:\ y=m_2x+b_2\\\\l\ ||\ k\iff m_1=m_2\\\\\text{We have}\\\\k:\ 2x-y=1\ \ \ |-2x\\-y=-2x+1\ \ \ \ |\cdot(-1)\\y=2x-1\to m_1=2\\\\l:\ y=m_2x+b\\\\l\ ||\ k\iff m_2=2\\\\l:\ y=2x+b\\\\\text{The line l contains (4, -6)}\\\\\text{Put the values of coordinates to the equation of line l}\\\\-6=2(4)+b\\-6=8+b\ \ \ \ \ |-8\\b=-14\\\\Answer:\ y=2x-14\to 2x-y=14$

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2 years ago