mchanadam mchanadam
  • 03-08-2015
  • Mathematics
contestada

Solve each quadratic equation. Show your work.


14. (2x – 1)(x + 7) = 0

Respuesta :

Julik
Julik Julik
  • 03-08-2015
(2x – 1)(x + 7) = 0

2x-1=0
2x=1
x=1/2
x=0.5

x+7=0
x= -7
Answer Link
Аноним Аноним
  • 03-08-2015
solve your equation step-by-step.

(2x−1)(x+7)=0

Simplify both sides of the equation.

2x2+13x−7=0

Factor left side of equation.

(2x−1)(x+7)=0

Set factors equal to 0.

2x−1=0 or x+7=0

x=1/2 or x=−7

Answer Link

Otras preguntas

When a patient is dying, he or she may experience regression. this is most accurately defined as:?
2. Choose the word or phrase that best matches the word in italics. That he could do something so contemptible was hard to believe. (1 point) worthy of res
Solar cells have many advantages. what is not one of these?
What was the nazi- soviet pact? what did it accomplish for germany?
PLEASE HELP NOW 1 QUESTION FOR 25 POINTS Points C and D are equidistant from point A. Complete the following table to prove that AEC ≅ AED.
Apply the distributive property to factor out the greatest common factor. 35+50=
Which is a benefit of getting information from a government website
Which statement accurately describes a major simila between an essays introduction and it’s conclustion
By what percent will a fraction decrease if its numerator is decreased by 50% and its denominator is decreased by 25%?
Jake bought the pizza shown above for lunch, which was cut into four equal slices. What percentage of the pizza did Jake eat if he had three slices? A) 25%