vc608572 vc608572

17-03-2021
Mathematics

contestada

Can someone please solve this using quadratic formula

2x^2 -7x -15=0

Respuesta :

mabelleanne mabelleanne

17-03-2021

Step-by-step explanation:

a=2

b=-7

c=-15

-(-7)+-sq root (-7)²-4(2)(-15) / 2(2)

7 +- sq root 169 / 4

7+- 13 / 4

7+13 / 4, 7-13 / 4

x=5 x=-3/2

Answer Link

Otras preguntas

solve for x: -5|x+1|=10

the position of a place north or south of the equator is measured in what?

What angered some Americans about the way President Clinton balanced the federal budget?

what was the name given to the policy of giving aggressive nations what they wanted in order to avoid war?

how to solve using perfect square x^2-4x-32=0

Newton's second law says force (f) is equal to mass (m) times acceration (a). A scientist wants to calculate the force of an object where the acceleration of gr

Angie is saving money to buy a new tennis racket that costs $138. She has saved $46 so far. If Angie saves $14 each week, what is the least number of weeks, w,

what is the most important concept in greek art?

how to solve equation with one variable

Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm deep. (1 gallon = 231 in3, 1 inch