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3 years ago

Graph the ordered pairs (-1,5),(0,0), (2,-10), (-2,10). Is this relasionship a linear function? Yes or No

Mathematics

1 answer:

aleksandrvk [35]3 years ago

5 0

Answer:

Yes

Step-by-step explanation:

Forms a straight line :)

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CaHeK987 [17]

<h3>Answer:</h3>

We know that,

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The annual income of A and B are in the ratio 3 : 4. If the income of A is 3x, the income of B is 4x. Their annual expenditure is in the ratio 5:7, if A's expenditure is 5y, B's expenditure is 7y. Each of them saves 15000 per month.

Step-by-step explanation:

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Step-by-step explanation:

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Read 2 more answers

Solve using the quadratic formula (you must show work) 52 − 2 + 1 = 0

Veseljchak [2.6K]

Answer:

see below

Step-by-step explanation:

we have

$5x^2-2x+1=0$

and the quadratic equation is

$ax^2+bx+c=0$

so we can see that

$a=5\\\\b=-2\\\\c=1$

and the quadratic formula is

$x=\frac{-b+-\sqrt{b^2-4ac} }{2a}$ it should go this symbol ± instead of +-

so we insert each value

$x=\frac{-(-2)+-\sqrt{(-2)^2-4(5)(1)} }{2(5)} \\\\x=\frac{2+-\sqrt{4-20} }{10}\\\\x=\frac{2+-\sqrt{-16} }{10} \\\\x=\frac{2+-4i}{10} \\\\x_1=\frac{2(1+2i)}{2*5} \\\\x_1=\frac{1+2i}{5} \\\\x_2=\frac{2(1-2i)}{2*5} \\\\x_2=\frac{1-2i}{5}$