What is the discriminant of the quadratic equation
7x^2-4x+5=0

Step-by-step explanation:

The discriminant for a quadratic in standard form is given by the formula:

We have the equation:

Hence, a=7; b=-4; and c=5.

Therefore, our discriminant will be:

Evaluate. Hence, our discriminant is:

Notes:

Since our discriminant is negative, this tells us that the quadratic has no real roots.

-124

Step-by-step explanation:

The discriminant is given by

b^2 -4ac  where ax^2 + bx+c =0

7x^2-4x+5=0  so a = 7 b = -4 and c = 5

( -4) ^2 - 4(7) ( 5)

16 - 140

-124

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.