3 years ago

If the the discriminant of a quadratic equation is greater then 0, which of the following is true

1 answer:

8 0

It has 2 real solutions,
if it is equal to 0, it has 1 and if it is negative, it has none as in the quadratic equation, under the square root is b^2 - 4ac. and you cannot root a negative

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2 x - 5 + 7 y - 3 = 9 x - 1 - y -8 Solve For X AND Y (SHOW WORK PLEASE)

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Answer:

$\large\boxed{\sf x = \frac{8y+1}{7} }$

$\large\boxed{\sf x = \frac{7x-1}{8} }$

Group the Variable's:

2 x - 5 + 7 y - 3 = 9 x - 1 - y -8

2x -9x + 7y +y = -1 -8 +5 + 3

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From this find x and y

For X

-7x + 8y = -1

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For Y

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