Asked by Anonymous
1. Given the following polynomial: 2x^2 + 7x - 15 = 0 Check all that apply.
The value of the discriminant is 169.
There are 2 real roots.
There are 2 irrational roots.
The graph intersects the y-axis twice.
The parabola is directed upward.
The axis of symmetry is located at: x = -7/4
The vertex is located at: (-7/4, -49/8)
The roots are: {5,3/2}
The graph intersects the y axis at (0, -15).
The graph intersects the x-axis at (-5, 0) and (1.5, 0)
II.
Use the quadratic formula to solve the following: 3x^2 - x + 2 = 0
Answers
Answered by
Ms. Sue
You must have neglected to read this before you posted.
<b>Homework Posting Tips
<u>Please show your work.</u> Tutors will not do your homework for you. Please show your work for any question that you are posting.</b>
<b>Homework Posting Tips
<u>Please show your work.</u> Tutors will not do your homework for you. Please show your work for any question that you are posting.</b>
Answered by
Steve
just to get you started,
2x^2 + 7x - 15 = (2x-3)(x+5)
2x^2 + 7x - 15 = (2x-3)(x+5)
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