3 years ago

Graph the function xy+25=0

Mathematics

2 answers:

forsale [732]3 years ago

5 0

The answer would be graph B.

Likurg_2 [28]3 years ago

4 0

This is the same as saying x*y+25=0.

Also, x*y=-25.

The solution (if you had to find it) would be -5 and 5.

To graph, it would be y=-25/x

Edit: This can be simplified down to y=-5 since it is a constant so it would be a straight line on the y-axis down at -5.

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Read 2 more answers

-3x^2 – 24x – 13 = -13

Fudgin [204]

$\begin{gathered} -3x^2-24x-13=-13 \\ \text{ Express it as:} \\ 3x^2+24x+26=0 \\ 3x^2+24x=-26 \\ 3(x^2+8x+16)=?-26 \\ 3(x+4)^2=48-26 \\ 3(x+4)^2=22 \end{gathered}$

oh,

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1 year ago