SOLUTION: Write the quadratic equation in general form. What is the value of b2 - 4ac? 1 = 2x2 + 7x
Algebra.Com
Question 244344: Write the quadratic equation in general form. What is the value of b2 - 4ac? 1 = 2x2 + 7x
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Add -1 to both sides:
Which is standard form.
To calculate the discriminant, 
,
Observe that 
, 
, and 
Plug in the values and do the arithmetic.
John
RELATED QUESTIONS
Write the quadratic equation in standard form. What is the value of b^2 - 4ac?
1 =... (answered by Boreal)
Which part of the quadratic formula tells you whether the quadratic equation can be... (answered by stanbon)
Which part of the quadratic formula tells you whether the quadratic equation can be... (answered by KMST)
In the quadratic equation ax2 + bx + c = 0, if b2 - 4ac < 0,what is the true equation... (answered by MathLover1)
I couldn't work letter C and #2, please assist.
Please check the rest of the work and... (answered by yuendatlo,solver91311)
In a quadractic equation ax2 +bx + c= 0, the discriminant is given by b2-4ac. How many... (answered by dnanos)
In the quadratic equation ax2 + bx + c = 0, if b2 - 4ac = 0, which of the following is... (answered by AnlytcPhil)
When using the quadratic formula to solve a quadratic equation in the form of ax^2 + bx + (answered by jim_thompson5910)
please help me solve this problem; Write the quadratic equation in general form.
16 –... (answered by edjones)