Question

2 Multiple Answer 1 point Select all the statements about the graph shown that are true. An equation for the graphis \( y=2 x^{2}-9 x+7 \). The function has two roots. The solutions of the related quadratic equation are -1.5 and -3 . The related quadratic equation has two solutions. The discriminant of the related quadratic equation is negative. 3 Multiple Choice 1 point The equation \( y=2 x^{2}-4 x-3 \) models the cross-section of a sculpture that sits in the water, where \( x \) is horizontal distance, and \( y \) is height above sea level. At what two \( x \)-values is the sculpture at sea-level? \( 1 \pm \sqrt{10} \) \( 2 \pm \frac{\sqrt{10}}{4} \) \( 1 \pm \frac{\sqrt{10}}{2} \) \( 4 \pm 2 \sqrt{10} \)

          2
Multiple Answer
1 point

Select all the statements about the graph shown that are true.
An equation for the graphis \( y=2 x^{2}-9 x+7 \).
The function has two roots.
The solutions of the related quadratic equation are -1.5 and -3 .
The related quadratic equation has two solutions.
The discriminant of the related quadratic equation is negative.
3
Multiple Choice
1 point

The equation \( y=2 x^{2}-4 x-3 \) models the cross-section of a sculpture that sits in the water, where \( x \) is horizontal distance, and \( y \) is height above sea level. At what two \( x \)-values is the sculpture at sea-level?
\( 1 \pm \sqrt{10} \)
\( 2 \pm \frac{\sqrt{10}}{4} \)
\( 1 \pm \frac{\sqrt{10}}{2} \)
\( 4 \pm 2 \sqrt{10} \)

2
Multiple Answer
1 point

Select all the statements about the graph shown that are true.
An equation for the graphis y=2 x^2-9 x+7.
The function has two roots.
The solutions of the related quadratic equation are -1.5 and -3 .
The related quadratic equation has two solutions.
The discriminant of the related quadratic equation is negative.
3
Multiple Choice
1 point

The equation y=2 x^2-4 x-3 models the cross-section of a sculpture that sits in the water, where x is horizontal distance, and y is height above sea level. At what two x-values is the sculpture at sea-level?
1 ±√(10)
2 ±(√(10))/(4)
1 ±(√(10))/(2)
4 ± 2 √(10)

Added by Thomas G.

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