SOLUTION: Find the exact solution to 6x^2+1= -8x by using the Quadratic Formula.
A.) -4±√10
B.) (-4±√22)/6
C.) (-2±2√10)/3
D.) (-4±√10)/6
Algebra.Com
Question 352265: Find the exact solution to 6x^2+1= -8x by using the Quadratic Formula.
A.) -4±√10
B.) (-4±√22)/6
C.) (-2±2√10)/3
D.) (-4±√10)/6
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Add 8x to both sides.
Combine like terms.
Notice we have a quadratic equation in the form of where , , and
Let's use the quadratic formula to solve for x
Start with the quadratic formula
Plug in , , and
Square to get .
Multiply to get
Subtract from to get
Multiply and to get .
Simplify the square root (note: If you need help with simplifying square roots, check out this solver)
or Break up the expression.
or Reduce.
So the answers are or
So the answer choice is D)
RELATED QUESTIONS
PLEASE PLEASE PLEASE PLEASE PLEASE HELP ME.
√(2)[√(4y) - √(18)]... (answered by stanbon)
1. Simplify the rational expression: Please show work
x2 – 6x – 7
x2 – 1... (answered by checkley71)
Rational and Radical Expressions
1. Simplify the rational expression:
x2 – 6x – 7
(answered by gladley)
What is the value of j in the equation √ j + √ j + 14 = 3√ j +... (answered by srinivas.g,MathLover1)
Rational and Radical Expressions
1. Simplify the rational expression:
x2 – 6x – 7
(answered by Edwin McCravy)
i have a few questions...
1. find the value of x
2√x+5= √x+45
a. 1 ; (answered by Alan3354)
which choice is equivalent to the fraction below when x>or equal to 2?
4/√... (answered by jsmallt9)
solve by using the quadratic formula and checking solution
x^2-3x+4=0... (answered by josgarithmetic)
Solve the following.
1. 9∜7 + 8∜7 - 3∜7
2. 1/2 √2 + 1/2... (answered by lynnlo)