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7. if the value of the discriminant is less than 0, what is true about …

Question

  1. if the value of the discriminant is less than 0, what is true about the graph of the quadratic equation? a. the quadratic equation cannot be graphed. b. the graph of the quadratic equation will cross the x - axis twice. activity complete objectives ccss.math.content.hsa - apr.b.3 identify zeros of polynomials when suitable factorizations are available, and use the zeros to construct a rough graph of the function defined by the polynomial. ccss.math.content.hsa - rei.b.4a use the method of completing the square to transform any quadratic equation in x into an equation of the form (x - p)^2=q that has the same solutions. derive the quadratic formula from this form. ccss.math.content.hsa - rei.b.4b solve quadratic equations by inspection (e.g., for x^2 = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. recognize when the quadratic formula gives complex solutions and write them as a ± bi for real - numbers a and b.

Explanation:

Answer:

None of the above options are correct. The graph of the quadratic equation does not cross the x - axis. (Since the discriminant < 0 means no real - roots, so no x - intercepts)