Which statement describes the equation $$2x^2-6x=-11$$

the discriminant is $$-52$$ , so there are 2 imaginary solutions.

the discriminant is $$169$$ , so there are 2 real solutions.

the discriminant is $$-260$$ , so there are 1 real solution.

the discriminant is $$268$$ , so there are 2 real solutions.

Which statement describes the equation $$-2x^2+12x-10=8$$

the discriminant is $$0$$ , so there is 1 real solution.

the discriminant is $$288$$ , so there are 2 real solutions.

the discriminant is $$-860$$ , so there are 2 imaginary solutions.

the discriminant is $$160$$ , so there are 2 real solutions.

Which statement describes the equation $$x^2+8x-22=0$$

The discriminant is $$152$$ , and there are 2 real solutions.

The discriminant is $$-24$$ , and there are 2 imaginary solutions.

The discriminant is $$0$$ , and there is 1 real solution.

The discriminant is $$521$$ , and there are 1 imaginary solution.

The height in meters of a ball launched upward from 2 meters above the surface of the moon with an initial velocity of 8 meters per second is represented by the function $$h\left(t\right)\ =\ -0.8\left(t-5\right)^2+22$$ where t is time in seconds and h(t) is height above the moon’s surface. Determine the vertex and its meaning within the context of the situation.

(5, 22); The ball reaches a max height of 22 meters after 5 seconds.

(5, 22); The ball reaches a max height of 5 meters after 22 seconds.

(0, 2); The ball is launched from 2 meters at zero seconds.

(0, 2); The ball lands after 2 seconds in the air.

Spring Semester Final Exam

Quiz

•

Mathematics

•

12th Grade

•

Practice Problem

•

Medium

Kevin Sanders

Used 6+ times

FREE Resource

33 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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