Consider the quadratic equation $y=7x^2+8x+3$y=7x2+8x+3.
Evaluate its discriminant.
By referring to the discriminant and to the coefficient of $x^2$x2, one can conclude that the function is:
Negative definite
Indefinite
Positive definite
Which graph represents the quadratic equation?
Consider the quadratic function $y=-4x^2+2x-1$y=−4x2+2x−1.
Consider the quadratic equation $y=3x^2+18x+7$y=3x2+18x+7.
Consider the quadratic function $y=-2x^2+10x-8$y=−2x2+10x−8.