36 Answered Questions for the topic Discriminant

Discriminant

03/14/15

Find the discriminant and identify the best description of the equation's root(s). x2+5=sqrt(7x-2)
Find the discriminant and identify the best description of the equation's root(s).  x2+5=sqrt(7x−2)   a. 1 real solution b. 2 complex solutions c. 2 real solutions d. 1 complex solution e. 1... more
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Discriminant

02/21/15

The equation of which graph has a negative discriminant?
The equation of which graph has a negative discriminant? A. The graph shows a parabola opening up with a vertex at 2 comma negative 1 B. The graph shows a parabola opening up with a vertex at... more
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Discriminant Equation

02/19/15

The equation of which graph has a negative discriminant?
A. The graph shows a parabola opening up with a vertex at 2 comma negative 1   B. The graph shows a parabola opening up with a vertex at negative 1 comma negative 3   C. The graph shows a... more
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Discriminant Graph Graphing

02/15/15

What is the possible discriminant of the graph?
What is the possible discriminant of the graph? a parabola opening up with vertex near negative 1.2 comma negative 9.1. a y intercept of negative 6 Choose one answer. A. -11   B. zero   C. 25 ... more
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Discriminant Graph Graphing Discriminate

02/15/15

What is the possible discriminant of the graph?
a parabola opening up one x intercept near negative 6   Choose one answer. A. -17   B. zero   C. 12   D. 49
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Discriminant Graph Graphing

02/15/15

What is the possible discriminant of the graph?
a parabola opening up with vertex near negative 1.2 comma negative 9.1. a y intercept of negative 6   Choose one answer. A. -11   B. zero   C. 25   D. 73
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11/24/14

Determine the values of K for the equation
Determine the values of K for which 3x2+kx+12=0 has each type of solution justify each answer. a) exactly one real solution b)two imaginary solutions c)two real solutions
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07/17/14

Describe and correct the error
1. t2-5t=7    Discriminant=(-5)2 - 4(1)(7)    =25-28    =-3    DiscriminantFind is negative, so there are no real solutions.
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07/17/14

Use 4r^2-28r=49 to answer problems
1. Solve by completing square 2. Use the discriminant to find the number of unique real solutions 3. Solve with quadratic formula
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04/15/14

Consider the equation. show work
Consider the equation 9x2 + 12x - 5=0. (a) Find and state the value of the discriminant, b2 – 4ac. Then state whether one real-number solution, two different real-number solutions, or two... more
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Discriminant Quadratic Formula

11/03/13

9x^2-6x+1=0
Find the value of the discriminant  describe the number and types of roots find the exact solutions bybusing the quadratic formula  
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