Video Transcript

get this trouble wants united state to uncover the discriminative. The quadratic equation. Negative. T minus X square. Pickles because that expert. Okay, so in bespeak to solve this one, I'm going thio in ~ X squared come both sides and include two to both signs. So that's gonna give us five X squared. Plus two amounts to zero. No, it's in conventional form. We have the right to use ours discriminative for formula that B squared minus for a C plugging in our worths for A B and C will acquire zero squared. Because there is no next term minus 4 times 5 times 2 and an unfavorable four times 5 times 2 is just negative 40. So are discriminated for. This quadratic equation is simply negative. 40. Thank you really much.




You are watching: Given the trinomial 2x2 + 4x − 2, what is the value of the discriminant?

*

*

*

*



See more: May Your First Child Be A Masculine Child Be A Feminine Child

Absolute value - instance 1

In mathematics, the absolute worth or modulus |x| the a real number x is that numerical worth without regard come its sign. The absolute worth of a number might be assumed of as its distance from zero along a number line; this interpretation is analogous come the distance duty assigned to a actual number in the real number system. Because that example, the absolute value of ?4 is 4, and also the absolute value of 4 is 4, both without regard come sign.


Absolute worth - example 2

In mathematics, the absolute worth or modulus |x| the a actual number x is that is numerical value without regard come its sign. The absolute value of a number may be assumed of as its street from zero along a number line; this translate is analogous to the distance duty assigned come a actual number in the genuine number system. Because that example, the absolute value of ?4 is 4, and also the absolute worth of 4 is 4, both without regard to sign.