comment upon nature of roots 19 y square is equal to Y - 3
Answers
Answer:
Step-by-step explanation:
19y²=y-3
y-19y²-3=0
Use the quadratic formula to determine the roots of the quadratic equations given below and take special note of:
the expression under the square root sign and
the type of number for the final answer (rational/irrational/real/imaginary)
\(x^2 - 6x + 9 = 0\)
\(x^2 - 4x + 3 = 0\)
\(x^2 - 4x - 3 = 0\)
\(x^2 - 4x + 7 = 0\)
Choose the appropriate words from the table to describe the roots obtained for the equations above.
rational unequal real
imaginary not perfect square equal
perfect square irrational undefined
The expression under the square root, \(b^2 - 4ac\), is called the discriminant. Can you make a conjecture about the relationship between the discriminant and the roots of quadratic equations?
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