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When the discriminant is a perfect square are the solutions rational or irrational?
The "discriminant" here refers to the part of the quadratic equation under the radical (square root) sign. When it is a perfect square, the square root is also a perfect square, so the radical goes away, leaving only rational numbers. So, when the discriminant is a perfect square, the solutions are (usually) rational. Unless, of course, some other part of the result is irrational. For example, if the coefficient of the x2 term ("a" in the quadratic formula) is pi, and the constant term is 1/pi, the discriminant will turn out to be 4 (4ac = 4 * pi * 1/pi = 4), which is a perfect square, but solutions will be irrational anyway because the denominator becomes 2pi, and pi is irrational.
Can you make a Pi sign on a keyboard?
No, this sign is not found on a keyboard. However you can find π (pi) on the Character Map program.
What is the present perfect tense of sign?
The present perfect tense of "sign" is:I/You/We/They have spoken.He/She/It has spoken.
How did pi come about?
It was inititially recognised as the ratio between the radius and circumference of a perfect circle. The radius times "Pi" equals the circumference of a perfect circle.
What is the mathematical sign for pi?
= 3.14
What is the formula for expected value of perfect information?
Evopi = evw/pi – evw/o pi
What is a homophone for the word pie?
A homophone for the word "pie" is "pi."
How did the number 3.14 get the pi sign?
pi is an irrational number that is approximately equal to 3.14
What is the description of pi?
Pi is the ratio of the outside circumference of a circle (perfect) to the radius expressed in the equation Pie are Squared ;) (Pi X R2) Pi is the value of Pi and R is the Radius of the circle.
How do you say 'complete' in sign language?
The answer depends on the context in which the word is said. A few definitions and their signs are as follows: * filled up (as in your stomach) - sign FULL * perfect - sign PERFECT * finish - sign FINISH
What does it mean to give your answer in terms of pie?
you find the answer without multiplying by pi and leave the pi sign in your answer
Which words have pi in them?
the word pi as a mathematics multiple by pi .r.2that's what pi stands for.
